Niels Erik Skakkebæk

Niels Erik Skakkebæk

Affiliate Professor

Member of:

  • Paediatrics


  1. Published

    Secular decline in male testosterone and sex hormone binding globulin serum levels in Danish population surveys

    Andersson, A., Jensen, T. K., Juul, Anders, Petersen, Jørgen Holm, Jørgensen, T. & Skakkebæk, Niels Erik, 1 Dec 2007, In: Journal of Clinical Endocrinology and Metabolism. 92, 12, p. 4696-705 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Selection Biases in Semen Study?

    Skakkebæk, Niels Erik, Giwercman, A., Jensen, T. K., Carlsen, E., Jørgensen, N. & Keiding, N., Jun 1998, In: Fertility & Sterility. 69, 6, p. 1158-1159 2 p.

    Research output: Contribution to journalComment/debateResearch

  3. Published

    Self-rated health and semen quality among 3,457 young Danish men

    Jensen, T. K., Jørgensen, N., Asklund, C., Carlsen, E., Kristensen, T. S., Holm, M., Skakkebæk, Niels Erik & Jensen, T. K., 1 Nov 2007, In: Fertility and Sterility. 88, 5, p. 1366-73 8 p.

    Research output: Contribution to journalJournal articleResearch

  4. Published

    Self-reported onset of puberty and subsequent semen quality and reproductive hormones in healthy young men

    Jensen, T. K., Finne, K. F., Skakkebæk, Niels Erik, Andersson, A., Olesen, I. A., Joensen, U. N., Bang, A. K., Nordkap, L., Priskorn, L., Krause, M., Jørgensen, N. & Juul, Anders, 2016, In: Human Reproduction. 31, 8, p. 1886-1894 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Semen quality and reproductive hormone levels in men from Southern Spain

    Fernandez, M. F., Duran, I., Olea, N., Avivar, C., Vierula, M., Toppari, J., Skakkebæk, Niels Erik & Jørgensen, N., 2012, In: International Journal of Andrology. 35, p. 1-10 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Semen quality improves marginally during young adulthood: a longitudinal follow-up study

    Perheentupa, A., Sadov, S., Rönkä, R., Virtanen, H. E., Rodprasert, W., Vierula, M., Jørgensen, N., Skakkebæk, Niels Erik & Toppari, J., 2016, In: Human Reproduction. 31, 3, p. 502-10 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Semen quality in sub-fertile range for a significant proportion of young men from the general German population: a co-ordinated, controlled study of 791 men from Hamburg and Leipzig

    Paasch, U., Salzbrunn, A., Glander, H. J., Plambeck, K., Salzbrunn, H., Grunewald, S., Stucke, J., Vierula, M., Jorgensen, N. & Skakkebæk, Niels Erik, 2008, In: International Journal of Andrology. 31, 2, p. 93-102 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Semen quality of young men in Switzerland: a nationwide cross-sectional population-based study

    Rahban, R., Priskorn, L., Senn, A., Stettler, E., Galli, F., Vargas, J., Van den Bergh, M., Fusconi, A., Garlantezec, R., Jensen, T. K., Multigner, L., Skakkebæk, Niels Erik, Germond, M., Jørgensen, N., Nef, S. & The NICER Working Group, T. N. W. G., 2019, In: Andrology. 7, 6, p. 818-826

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Semen quality, reproductive hormones and fertility of men operated for hypospadias

    Asklund, C., Jensen, T. K., Main, Katharina Maria, Sobotka, T., Skakkebæk, Niels Erik & Jørgensen, N., 1 Feb 2010, In: International Journal of Andrology. 33, 1, p. 80-7 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Serum concentrations of Anti-Müllerian Hormone (AMH) in 95 patients with Klinefelter syndrome with or without cryptorchidism

    Aksglaede, L., Christiansen, P., Sørensen, K., Boas, M., Linneberg, Allan René, Main, Katharina Maria, Andersson, A., Skakkebæk, Niels Erik & Juul, Anders, 2011, In: Acta Paediatrica. 100, 6, p. 839-845 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Serum concentrations of free and total insulin-like growth factor-I, IGF binding proteins -1 and -3 and IGFBP-3 protease activity in boys with normal or precocious puberty

    Juul, Anders, Flyvbjerg, A., Frystyk, J., Müller, J. & Skakkebæk, Niels Erik, 1996, In: Clinical Endocrinology. 44, 5, p. 515-23 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Serum concentrations of type I and III procollagen propeptides in healthy children and girls with central precocious puberty during treatment with gonadotropin-releasing hormone analog and cyproterone acetate

    Hertel, N., Stoltenberg, M., Juul, Anders, Main, Katharina Maria, Müller, J., Nielsen, C. T., Lorenzen, I. & Skakkebæk, Niels Erik, 1993, In: Journal of Clinical Endocrinology and Metabolism. 76, 4, p. 924-7 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Serum inhibin A and inhibin B in healthy prepubertal, pubertal, and adolescent girls and adult women: relation to age, stage of puberty, menstrual cycle, follicle-stimulating hormone, luteinizing hormone, and estradiol levels

    Sehested, A., Juul, Anders, Andersson, A. M., Petersen, Jørgen Holm, Jensen, T. K., Müller, J. & Skakkebæk, Niels Erik, 2000, In: Journal of Clinical Endocrinology and Metabolism. 85, 4, p. 1634-40 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Serum inhibin B in healthy pubertal and adolescent boys: relation to age, stage of puberty, and follicle-stimulating hormone, luteinizing hormone, testosterone, and estradiol levels

    Andersson, A. M., Juul, Anders, Petersen, J. H., Müller, J., Groome, N. P. & Skakkebæk, Niels Erik, 1997, In: Journal of Clinical Endocrinology and Metabolism. 82, 12, p. 3976-81 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Serum inhibin B, FSH, LH and testosterone levels before and after human chorionic gonadotropin stimulation in prepubertal boys with cryptorchidism

    Christiansen, P., Andersson, A., Skakkebæk, Niels Erik & Juul, Anders, 2002, In: European Journal of Endocrinology. 147, 1, p. 95-101 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Serum inhibin-b in fertile men is strongly correlated with low but not high sperm counts: a coordinated study of 1,797 European and US men

    Jørgensen, N., Liu, F., Andersson, A., Vierula, M., Irvine, D. S., Auger, J., Brazil, C. K., Drobnis, E. Z., Jensen, T. K., Jouannet, P., Overstreet, J. W., Redmon, J. B., Sparks, A., Toppari, J., Wang, C., Skakkebæk, Niels Erik & Swan, S. H., 1 Nov 2010, In: Fertility and Sterility. 94, 6, p. 2128-34 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Serum insulin-like growth factor I (IGF-I) and IGF-binding protein 3 levels are increased in central precocious puberty: effects of two different treatment regimens with gonadotropin-releasing hormone agonists, without or in combination with an antiandrogen (cyproterone acetate)

    Juul, Anders, Scheike, T. H., Nielsen, C. T., Krabbe, S., Müller, J. & Skakkebæk, Niels Erik, 1995, In: Journal of Clinical Endocrinology and Metabolism. 80, 10, p. 3059-67 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Serum insulin-like growth factor-I in 1030 healthy children, adolescents, and adults: relation to age, sex, stage of puberty, testicular size, and body mass index

    Juul, Anders, Bang, P., Hertel, N., Main, Katharina Maria, Dalgaard, P., Jørgensen, K., Müller, J., Hall, K. P. & Skakkebæk, Niels Erik, 1994, In: Journal of Clinical Endocrinology and Metabolism. 78, 3, p. 744-52 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Serum levels of activin A and inhibin A are not related to the increased susceptibility to pre-eclampsia in type I diabetic pregnancies

    Ekbom, P., Damm, Peter, Andersson, A., Skakkebæk, Niels Erik, Feldt-Rasmussen, Ulla & Mathiesen, Elisabeth, 1 Jan 2006, In: Acta Obstetricia et Gynecologica Scandinavica. 85, 2, p. 143-7 5 p.

    Research output: Contribution to journalJournal articleResearch

  20. Published

    Serum levels of growth hormone binding protein in children with normal and precocious puberty: relation to age, gender, body composition and gonadal steroids

    Juul, Anders, Fisker, S., Scheike, T. H., Hertel, T. K., Müller, J., Orskov, H. & Skakkebæk, Niels Erik, 2000, In: Clinical Endocrinology. 52, 2, p. 165-72 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Serum levels of insulin-like growth factor (IGF)-binding protein-3 (IGFBP-3) in healthy infants, children, and adolescents: the relation to IGF-I, IGF-II, IGFBP-1, IGFBP-2, age, sex, body mass index, and pubertal maturation

    Juul, Anders, Dalgaard, P., Blum, W. F., Bang, P., Hall, K. P., Michaelsen, K. F., Müller, J. & Skakkebæk, Niels Erik, 1995, In: Journal of Clinical Endocrinology and Metabolism. 80, 8, p. 2534-42 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Serum levels of insulin-like growth factor-1 in first trimester of diabetic pregnancy: relation to early growth delay

    Pedersen, J. F., Juul, Anders, Mølsted-Pedersen, L. & Skakkebæk, Niels Erik, 1995, In: B J O G. 102, 11, p. 927-8 2 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Serum sex hormone-binding globulin levels in healthy children and girls with precocious puberty before and during gonadotropin-releasing hormone agonist treatment

    Sørensen, K., Andersson, A. M., Skakkebæk, Niels Erik & Juul, Anders, 2007, In: Journal of Clinical Endocrinology and Metabolism. 92, 8, p. 3189-96 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Serum testosterone levels in three-month-old boys predict their semen quality as young adults

    Scheutz Henriksen, L., Petersen, Jørgen Holm, Skakkebæk, Niels Erik, Jørgensen, N., Virtanen, H. E., Priskorn, Lærke, Juul, Anders, Toppari, J. & Main, Katharina Maria, 2022, In: The Journal of clinical endocrinology and metabolism. 107, 7, p. 1965–1975 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Sex chromosome aneuploidy and anthropometry

    Aksglæde, L., Skakkebæk, Niels Erik & Juul, Anders, 2011, Handbook of Anthropometry: Physical measures of human form in health and disease. Springer

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  26. Published

    Sex differences in the vaccine-specific and non-targeted effects of vaccines

    Flanagan, K. L., Klein, S. L., Skakkebæk, Niels Erik, Marriott, I., Marchant, A., Selin, L., Fish, E. N., Prentice, A. M., Whittle, H., Benn, C. S. & Aaby, P., 16 Mar 2011, In: Vaccine. 29, 13, p. 2349-54 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    Short-term effect of recombinant human growth hormone in patients with alcoholic cirrhosis

    Møller, S., Becker, U., Grønbaek, M., Juul, Anders, Winkler, K. & Skakkebæk, Niels Erik, 1994, In: Journal of Hepatology. 21, 5, p. 710-7 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    Skin morphological changes in growth hormone deficiency and acromegaly

    Lange, M. W., Thulesen, J., Feldt-Rasmussen, Ulla, Skakkebæk, Niels Erik, Vahl, N., Jørgensen, J. O., Christiansen, J. S., Poulsen, Steen Seier, Sneppen, S. B. & Juul, Anders, 2001, In: European Journal of Endocrinology. 145, 2, p. 147-153 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Published

    Smaller genitals at school age in boys whose mothers were exposed to non-persistent pesticides in early pregnancy

    Veje, C. W., Andersen, H. R., Jensen, T. K., Grandjean, P., Skakkebæk, Niels Erik & Main, Katharina Maria, 2012, In: International Journal of Andrology. 35, 3, p. 265-72 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. Published

    Sons conceived by assisted reproduction techniques inherit deletions in the azoospermia factor (AZF) region of the Y chromosome and the DAZ gene copy number

    Mau Kai, C., Juul, Anders, McElreavey, K., Ottesen, A. M., Garn, I. D., Main, Katharina Maria, Loft, A., Jørgensen, N., Skakkebæk, Niels Erik, Andersen, A. N. & Rajpert-De Meyts, E., 2008, In: Human Reproduction. 23, 7, p. 1669-1678 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. Published

    Special issue on the impact of endocrine disrupters on reproductive health

    Andersson, A., Bay, K., Grigor, K. M., Meyts, E. R. & Skakkebæk, Niels Erik, 2012, In: International Journal of Andrology. 35, 3, p. 215

    Research output: Contribution to journalJournal articleResearch

  32. Published

    Sperm Concentration, Testicular Volume and Age Predict Risk of Carcinoma In Situ in Contralateral Testis of Men with Testicular Germ Cell Cancer

    Rud, C. N., Daugaard, G., Rajpert-De Meyts, E., Skakkebæk, Niels Erik, Petersen, Jørgen Holm & Jørgensen, N., 2013, In: Journal of Urology. 190, 6, p. 2074-2080 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    Sperm counts, testicular cancers, and the environment

    Skakkebæk, Niels Erik, 10 Oct 2017, In: B M J. 359, j4517.

    Research output: Contribution to journalEditorialResearch

  34. Published

    Sperm decline: Real or artifact?

    Keiding, N. & Skakkebæk, Niels Erik, 1 Jan 1996, In: Fertility and Sterility. 65, 2, p. 450-451 2 p.

    Research output: Contribution to journalComment/debateResearch

  35. Published

    Sperm retrieval in adolescent males with Klinefelter syndrome: medical and ethical issues

    Rogol, A. D. & Skakkebæk, Niels Erik, Apr 2016, In: Translational Pediatrics. 5, 2, p. 104-106

    Research output: Contribution to journalComment/debateResearch

  36. Published

    Standards in semen examination: publishing reproducible and reliable data based on high-quality methodology

    Björndahl, L., Barratt, C. L. R., Mortimer, D., Agarwal, A., Aitken, R. J., Alvarez, J. G., Aneck-Hahn, N., Arver, S., Baldi, E., Bassas, L., Boitrelle, F., Bornman, R., Carrell, D. T., Castilla, J. A., Cerezo Parra, G., Check, J. H., Cuasnicu, P. S., Darney, S. P., de Jager, C., De Jonge, C. J. & 67 others, Drevet, J. R., Drobnis, E. Z., Du Plessis, S. S., Eisenberg, M. L., Esteves, S. C., Evgeni, E. A., Ferlin, A., Garrido, N., Giwercman, A., Goovaerts, I. G. F., Haugen, T. B., Henkel, R., Henningsohn, L., Hofmann, M. C., Hotaling, J. M., Jedrzejczak, P., Jouannet, P., Jørgensen, N., Kirkman Brown, J. C., Krausz, C., Kurpisz, M., Kvist, U., Lamb, D. J., Levine, H., Loveland, K. L., McLachlan, R. I., Mahran, A., Maree, L., Martins da Silva, S., Mbizvo, M. T., Meinhardt, A., Menkveld, R., Mortimer, S. T., Moskovtsev, S., Muller, C. H., Munuce, M. J., Muratori, M., Niederberger, C., O'Flaherty, C., Oliva, R., Ombelet, W., Pacey, A. A., Palladino, M. A., Ramasamy, R., Ramos, L., Rives, N., Roldan, E. R., Rothmann, S., Sakkas, D., Salonia, A., Sánchez-Pozo, M. C., Sapiro, R., Schlatt, S., Schlegel, P. N., Schuppe, H. C., Shah, R., Skakkebæk, Niels Erik, Teerds, K., Toskin, I., Tournaye, H., Turek, P. J., van der Horst, G., Vazquez-Levin, M., Wang, C., Wetzels, A., Zeginiadou, T. & Zini, A., 2022, In: Human Reproduction. 37, 11, p. 2497-2502 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published

    Stem cell pluripotency factor NANOG is expressed in human fetal gonocytes, testicular carcinoma in situ and germ cell tumours

    Hoei-Hansen, C. E., Almstrup, Kristian, Nielsen, J. E., Sonne, Si Brask, Graem, N., Skakkebæk, Niels Erik, Leffers, H. & Rajpert-De Meyts, E., 2005, In: Histopathology. 47, 1, p. 48-56 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  38. Published

    Sunscreens: are they beneficial for health? An overview of endocrine disrupting properties of UV-filters

    Krause, M., Klit, A., Jensen, M. B., Søeborg, T., Frederiksen, H., Schlumpf, M., Lichtensteiger, W., Skakkebæk, Niels Erik & Drzewiecki, K. T., 2012, In: International Journal of Andrology. 35, 3, p. 424-36 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. Published

    Sweat secretion rates in growth hormone disorders

    Sneppen, S. B., Main, Katharina Maria, Juul, Anders, Pedersen, L. M., Kristensen, L. O., Skakkebæk, Niels Erik & Feldt-Rasmussen, Ulla, 2000, In: Clinical Endocrinology. 53, 5, p. 601-8 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. Published

    Synergistic activation of CatSper Ca2+ channels in human sperm by oviductal ligands and endocrine disrupting chemicals

    Brenker, C., Rehfeld, Anders Aagaard, Schiffer, C., Kierzek, M., Kaupp, U. B., Skakkebæk, Niels Erik & Strünker, T., 2018, In: Human Reproduction. 33, 10, p. 1915-1923 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  41. Published

    Temporal Trends in Fertility Rates: A Nationwide Registry Based Study from 1901 to 2014

    Jensen, M. B., Priskorn, L., Jensen, T. K., Juul, Anders & Skakkebæk, Niels Erik, 2015, In: P L o S One. 10, 12, p. 1-10 10 p., e0143722.

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. Published

    Temporal variability in urinary excretion of bisphenol A and seven other phenols in spot, morning, and 24-h urine samples

    Lassen, T. H., Frederiksen, H., Jensen, T. K., Petersen, Jørgen Holm, Main, Katharina Maria, Skakkebæk, Niels Erik, Jørgensen, N., Kranich, S. K. & Andersson, A. M., 2013, In: Environmental Research. 126, p. 164-170 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Published

    Testicular Dysgenesis Syndrom and Carcinoma In Situ Testis

    Rajpert-De Meyts, E., Almstrup, H. K. & Skakkebæk, Niels Erik, 2012, Atlas on the Human Testis. Jezek, D. (ed.). p. 159-178 19 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  44. Published

    Testicular Dysgenesis Syndrome and Carcinoma In Situ Testis

    Meyts, E. R., Almstrup, Kristian & Skakkebæk, Niels Erik, 17 Sep 2012, Atlas on the Human Testis.. Springer London, p. 159-178

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  45. Published

    Testicular Growth During Puberty in Boys With and Without a History of Congenital Cryptorchidism

    Sadov, S., Koskenniemi, J. J., Virtanen, H. E., Perheentupa, A., Petersen, Jørgen Holm, Skakkebæk, Niels Erik, Main, Katharina Maria & Toppari, J., Jun 2016, In: The Journal of Clinical Endocrinology & Metabolism. 101, 6, p. 2570–2577 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. Published

    Testicular cancer: New inroads into early diagnosis

    Rajpert-De Meyts, E., Znaor, A. & Skakkebæk, Niels Erik, 2020, World Cancer Report: Cancer Research for Cancer Prevention. Wild, C. P., Weiderpass, E. & Stewart, B. W. (eds.). IARC Press, p. 430-438 (World Cancer Reports).

    Research output: Chapter in Book/Report/Conference proceedingReport chapterResearchpeer-review

  47. Published

    Testicular cancer incidence predictions in Europe 2010–2035: A rising burden despite population ageing

    Znaor, A., Skakkebæk, Niels Erik, Rajpert‐de Meyts, E., Laversanne, M., Kuliš, T., Gurney, J., Sarfati, D., Mcglynn, K. A. & Bray, F., 2020, In: International Journal of Cancer. 147, 3, p. 820-828

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. Published

    Testicular cancer trends as 'whistle blowers' of testicular developmental problems in populations

    Skakkebæk, Niels Erik, Rajpert-De Meyts, E., Jørgensen, N., Main, Katharina Maria, Leffers, H., Andersson, A., Juul, Anders, Jensen, T. K. & Toppari, J., 2007, In: International Journal of Andrology. 30, 4, p. 198-204; discussion 204-5

    Research output: Contribution to journalReviewResearch

  49. Published

    Testicular descent: INSL3, testosterone, genes and the intrauterine milieu

    Bay, K., Main, Katharina Maria, Toppari, J., Skakkebæk, Niels Erik & Medscape, M., 15 Mar 2011, In: Nature Reviews. Urology.

    Research output: Contribution to journalJournal articleResearch

  50. Published

    Testicular dysgenesis syndrome and carcinoma in situ of the testes

    Joensen, Ulla Nordström, Jorgensen, N. & Skakkebæk, Niels Erik, Aug 2007, In: Nature Clinical Practice Urology. 4, 8, p. 402-403 2 p.

    Research output: Contribution to journalReviewResearchpeer-review

  51. Published

    Testicular dysgenesis syndrome and the origin of carcinoma in situ testis

    Sonne, Si Brask, Kristensen, D. M., Novotny, G. W., Olesen, I. A., Nielsen, J. E., Skakkebæk, Niels Erik, Rajpert-De Meyts, E. & Leffers, H., 2008, In: International Journal of Andrology. 31, 2, p. 275-87 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  52. Published

    Testicular dysgenesis syndrome comprises some but not all cases of hypospadias and impaired spermatogenesis

    Jørgensen, N., Rajpert-De Meyts, E., Main, Katharina Maria & Skakkebæk, Niels Erik, 1 Apr 2010, In: International Journal of Andrology. 33, 2, p. 298-303 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  53. Published

    Testicular dysgenesis syndrome: foetal origin of adult reproductive problems

    Wohlfahrt-Veje, C., Main, Katharina Maria & Skakkebæk, Niels Erik, 2009, In: Clinical Endocrinology. 71, 4, p. 459-65 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  54. Published

    Testicular dysgenesis syndrome: mechanistic insights and potential new downstream effects

    Sharpe, R. M. & Skakkebæk, Niels Erik, 2008, In: Fertility and Sterility. 89, 2 Suppl, p. e33-e38

    Research output: Contribution to journalJournal articleResearchpeer-review

  55. Published

    Testicular dysgenesis syndrome: possible role of endocrine disrupters

    Bay, K., Asklund, C., Skakkebæk, Niels Erik & Andersson, A., 1 Mar 2006, In: Best Practice & Research: Clinical Endocrinology & Metabolism. 20, 1, p. 77-90 14 p.

    Research output: Contribution to journalJournal articleResearch

  56. Published

    Testicular function in young men in long-term remission after treatment for the early stages of Hodgkin's disease

    Specht, Lena, Geisler, C., Hansen, M. M. & Skakkebæk, Niels Erik, 1 Oct 1984, In: Scandinavian journal of haematology. 33, 4, p. 356-62 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  57. Published

    Testicular germ cell cancer incidence in an immigration perspective, Denmark, 1978 to 2003

    Schmiedel, S., Schüz, J., Skakkebæk, Niels Erik & Johansen, C., 1 Apr 2010, In: Journal of Urology. 183, 4, p. 1378-82 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  58. Published

    Testicular non-seminoma: ESMO Clinical Practice Guidelines for diagnosis, treatment and follow-up

    Schmoll, H., Jordan, K., Huddart, R., Pes, M. P. L., Horwich, A., Fizazi, K., Kataja, V., Rajpert-De Meyts, E., Skakkebæk, Niels Erik, ESMO Guidelines Working Group, E. G. W. G. & von der Maase, H. R. R., 1 May 2010, In: Annals of Oncology. 21 Suppl 5, p. v147-54

    Research output: Contribution to journalJournal articleResearchpeer-review

  59. Published

    Testicular seminoma: ESMO Clinical Practice Guidelines for diagnosis, treatment and follow-up

    Schmoll, H., Jordan, K., Huddart, R., Pes, M. P. L., Horwich, A., Fizazi, K., Kataja, V., Rajpert-De Meyts, E., Skakkebæk, Niels Erik, ESMO Guidelines Working Group, E. G. W. G. & von der Maase, H. R. R., 1 May 2010, In: Annals of Oncology. 21 Suppl 5, p. v140-6

    Research output: Contribution to journalJournal articleResearchpeer-review

  60. Published

    Testosteronbehandling af ældre mænd: den såkaldte andropause eksisterer ikke.

    Juul, Anders & Skakkebæk, Niels Erik, 2002, In: Ugeskrift for Laeger. 164, 42, p. 4941-2 2 p.

    Research output: Contribution to journalReviewResearch

  61. Published

    The Association of Reproductive Hormone Levels and All-Cause, Cancer, and Cardiovascular Disease Mortality in Men

    Agergaard Holmboe, S., Vradi, E., Jensen, T. K., Linneberg, Allan René, Husemoen, L. L. N., Scheike, Thomas, Skakkebæk, Niels Erik, Juul, Anders & Andersson, A., Dec 2015, In: Journal of Clinical Endocrinology and Metabolism. 100, 12, p. 4472-4480 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  62. Published

    The Human Eccrine Sweat Gland: A possible GRowth hormone target organ ?

    Juul, Anders, Nielsen, B., Hjortskov, N., Main, Katharina Maria & Skakkebæk, Niels Erik, 1997, The Clinical Pharmacology of Sports and Exercise.. p. 223 7 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  63. Published

    The Testis in Childhood Between Birth and Puberty

    Meyts, E. R., Almstrup, Kristian, Nielsen, J. E. & Skakkebæk, Niels Erik, 2013, Atlas on the Human Testis.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  64. Published

    The acid-labile subunit of human ternary insulin-like growth factor binding protein complex in serum: hepatosplanchnic release, diurnal variation, circulating concentrations in healthy subjects, and diagnostic use in patients with growth hormone deficiency

    Juul, Anders, Møller, S., Mosfeldt-Laursen, E., Rasmussen, M. H., Scheike, T. H., Pedersen, S. A., Kastrup, K. W., Yu, H., Mistry, J., Rasmussen, S., Müller, J., Henriksen, J. & Skakkebæk, Niels Erik, 1998, In: Journal of Clinical Endocrinology and Metabolism. 83, 12, p. 4408-15 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  65. Published

    The antidepressant Sertraline inhibits CatSper Ca2+channels in human sperm

    Rahban, R., Rehfeld, Anders Aagaard, Schiffer, C., Brenker, C., Egeberg Palme, D. L., Wang, T., Lorenz, J., Almstrup, Kristian, Skakkebæk, Niels Erik, Strünker, T. & Nef, S., 2021, In: Human Reproduction. 36, 10, p. 2638-2648

    Research output: Contribution to journalJournal articleResearchpeer-review

  66. Published

    The association between in-utero exposure to stressful life events during pregnancy and male reproductive function in a cohort of 20-year-old offspring: The Raine Study

    Bräuner, E. V., Hansen, Åse Marie, Doherty, D. A., Dickinson, J. E., Handelsman, D. J., Hickey, M., Skakkebæk, Niels Erik, Juul, A. & Hart, R., 8 Jul 2019, In: Human reproduction (Oxford, England). 34, 7, p. 1345-1355 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  67. Published

    The epidemiology of cryptorchidism and potential risk factors, including endocrine disrupting chemicals

    Holmboe, S. A., Beck, A. L., Andersson, A. M., Main, Katharina Maria, Jørgensen, N., Skakkebæk, Niels Erik & Priskorn, L., 2024, In: Frontiers in Endocrinology. 15, 8 p., 1343887.

    Research output: Contribution to journalReviewResearchpeer-review

  68. Published

    The exposure of fetuses and children to endocrine disrupting chemicals: a European Society for Paediatric Endocrinology (ESPE) and Pediatric Endocrine Society (PES) call to action statement

    Skakkebæk, Niels Erik, Toppari, J., Söder, O., Gordon, C. M., Divall, S. & Draznin, M., 1 Oct 2011, In: Journal of Clinical Endocrinology and Metabolism. 96, 10, p. 3056-8 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  69. Published

    The faroes statement: human health effects of developmental exposure to chemicals in our environment

    Grandjean, P., Bellinger, D., Bergman, A., Cordier, S., vey-Smith, G., Eskenazi, B., Gee, D., Gray, K., Hanson, M., den, H. P. V., Heindel, J. J., Heinzow, B., Hertz-Picciotto, I., Hu, H., Huang, T. T., Jensen, T. K., Landrigan, P. J., McMillen, I. C., Murata, K., Ritz, B. & 4 others, Schoeters, G., Skerfving, S., Weihe, P. & Skakkebæk, Niels Erik, 2008, In: Basic & Clinical Pharmacology & Toxicology. 102, 2, p. 73-75 2 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  70. Published

    The growth hormone (GH)-insulin-like growth factor axis during testosterone replacement therapy in GH-treated hypopituitary males

    Fisker, S., Nørrelund, H., Juul, Anders, Skakkebæk, Niels Erik, Christiansen, J. S. & Jørgensen, J. O., 2001, In: Growth Hormone & I G F Research. 11, 2, p. 104-9 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  71. Published

    The impact of gender and puberty on reference values for urinary growth hormone excretion: a study of 3 morning urine samples in 517 healthy children and adults

    Main, Katharina Maria, Jarden, M., Angelo, L., Dinesen, B. I., Hertel, N., Juul, Anders, Müller, J. & Skakkebæk, Niels Erik, 1994, In: Journal of Clinical Endocrinology and Metabolism. 79, 3, p. 865-71 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  72. Published

    The possible impact of antenatal exposure to ubiquitous phthalates upon male reproductive function at 20 years of age

    Hart, R. J., Frederiksen, H., Doherty, D. A., Keelan, J. A., Skakkebæk, Niels Erik, Minaee, N. S., McLachlan, R., Newnham, J. P., Dickinson, J. E., Pennell, C. E., Norman, R. J. & Main, Katharina Maria, 2018, In: Frontiers in Endocrinology. 9, JUN, 11 p., 288.

    Research output: Contribution to journalJournal articleResearchpeer-review

  73. Published

    The ratio between serum levels of insulin-like growth factor (IGF)-I and the IGF binding proteins (IGFBP-1, 2 and 3) decreases with age in healthy adults and is increased in acromegalic patients

    Juul, Anders, Main, Katharina Maria, Blum, W. F., Lindholm, J., Ranke, M. B. & Skakkebæk, Niels Erik, 1994, In: Clinical Endocrinology. 41, 1, p. 85-93 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  74. Published

    The relationship between anogenital distance and reproductive hormone levels in adult men

    Eisenberg, M. L., Jensen, T. K., Walters, R. C., Skakkebæk, Niels Erik & Lipshultz, L. I., 2012, In: The Journal of Urology. 187, 2, p. 594-8 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  75. Published

    The sensitivity of the child to sex steroids: possible impact of exogenous estrogens

    Aksglaede, L., Juul, Anders, Leffers, H., Skakkebæk, Niels Erik & Andersson, A., 2006, In: Human Reproduction Update. 12, 4, p. 341-9 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  76. Published

    The syndrome of Growth Hormone Deficiency in adulthood

    Christiansen, J., Jørgensen, J., Juul, Anders, Müller, J., Skakkebæk, Niels Erik, Fisker, S. & Vahn, N., 1995, In: Journal of Clinical Endocrinology and Metabolism. p. 7-9 2 p.

    Research output: Contribution to journalJournal articleResearch

  77. Published

    The testis in childhood between birth and puberty

    Rajpert-De Meyts, E., Almstrup, H. K. & Skakkebæk, Niels Erik, 2012, Atlas on the Human Testis: Normal Morphology and Pathology. p. 69-75 6 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  78. Published

    The timing of normal puberty and the age limits of sexual precocity: variations around the world, secular trends, and changes after migration

    Parent, A., Teilmann, Grete Katrine, Juul, Anders, Skakkebæk, Niels Erik, Toppari, J. & Bourguignon, J., 2003, In: Endocrine Reviews. 24, 5, p. 668-93 26 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  79. Published

    Thyroid function in covid-19 and the association with cytokine levels and mortality

    Clausen, C. L., Rasmussen, Å. K., Johannsen, T. H., Hilsted, Linda, Skakkebæk, Niels Erik, Szecsi, P. B., Pedersen, L., Benfield, Thomas & Juul, Anders, 2021, In: Endocrine Connections. 10, 10, p. 1234-1242 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  80. Published

    Time to pregnancy and life expectancy: a cohort study of 18796 pregnant couples

    Lindahl-Jacobsen, R., Petersson, M. T., Priskorn, Lærke, Skakkebæk, Niels Erik, Juul, Anders, Kristensen, D. M., Eisenberg, M. L. & Jensen, T. K., 2024, In: Human Reproduction. 39, 3, p. 595-603 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  81. Published

    Time to pregnancy and semen parameters: a cross-sectional study among fertile couples from four European cities

    Slama, R., Eustache, F., Ducot, B., Jensen, T. K., Jørgensen, N., Horte, A., Irvine, S., Suominen, J., Andersen, A. G., Auger, J., Vierula, M., Toppari, J., Andersen, A. N., Keiding, N., Skakkebæk, Niels Erik, Spira, A. & Jouannet, P., 2002, In: Human Reproduction. 17, 2, p. 503-515 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  82. Published

    Total and free insulin-like growth factor I, insulin-like growth factor binding protein 3 and acid-labile subunit reflect clinical activity in acromegaly

    Sneppen, S. B., Lange, M. W., Pedersen, L. M., Kristensen L, L. Ø., Main, Katharina Maria, Juul, Anders, Skakkebæk, Niels Erik & Feldt-Rasmussen, Ulla, 2001, In: Growth Hormone & I G F Research. 11, 6, p. 384-91 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  83. Published

    Transcription factor AP-2gamma is a developmentally regulated marker of testicular carcinoma in situ and germ cell tumors

    Hoei-Hansen, C. E., Nielsen, J. E., Almstrup, K., Sonne, Si Brask, Graem, N., Skakkebæk, Niels Erik, Leffers, H. & Rajpert-De Meyts, E., 2004, In: Clinical Cancer Research. 10, 24, p. 8521-30 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  84. Published

    Transcription factor AP-2γ is a developmentally regulated marker of testicular carcinoma in situ and germ cell tumors

    Høi-Hansen, Christina Engel, Nielsen, J. E., Almstrup, Kristian, Sonne, Si Brask, Graem, N., Skakkebæk, Niels Erik, Leffers, H. & Rajpert-De Meyts, E., 2004, In: Clinical Cancer Research.

    Research output: Contribution to journalJournal articleResearchpeer-review

  85. Published

    Transcriptome analysis of the adult human Klinefelter testis and cellularity-matched controls reveals disturbed differentiation of Sertoli- and Leydig cells

    Winge, S. B., Dalgaard, M. D., Belling, K. G., Jensen, J. M., Nielsen, J. E., Aksglaede, L., Schierup, M. H., Brunak, Søren, Skakkebæk, Niels Erik, Juul, Anders, Rajpert-De Meyts, E. & Almstrup, Kristian, 2018, In: Cell Death & Disease. 9, 6, 14 p., 586.

    Research output: Contribution to journalJournal articleResearchpeer-review

  86. Published

    Translational repression of E2F1 mRNA in carcinoma in situ and normal testis correlates with expression of the miR-17-92 cluster

    Novotny, G. W., Sonne, Si Brask, Nielsen, J. E., Jonstrup, S. P., Hansen, M. A., Skakkebæk, Niels Erik, Rajpert-De Meyts, E., Kjems, J. & Leffers, H., 2007, In: Cell Death and Differentiation. 14, 4, p. 879-82 3 p.

    Research output: Contribution to journalLetterResearch

  87. Published

    Trends in rates of natural conceptions among Danish women born during 1960-1984

    Lassen, T. H., Sobotka, T., Jensen, T. K., Jacobsen, R. S., Erb, K. & Skakkebæk, Niels Erik, 2012, In: Human Reproduction. 27, 9, p. 2815-22 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  88. Published

    UV filters analyzed by isotope diluted TurboFlow-LC-MS/MS in urine from Danish children and adolescents

    Frederiksen, H., Nielsen, O., Skakkebæk, Niels Erik, Juul, Anders & Andersson, A., Mar 2017, In: International Journal of Hygiene and Environmental Health. 220, 2, Part A, p. 244-253 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  89. Published

    UV filters in matched seminal fluid-, urine-, and serum samples from young men

    Frederiksen, H., Krause, M., Jørgensen, N., Rehfeld, Anders Aagaard, Skakkebæk, Niels Erik & Andersson, A., 2021, In: Journal of Exposure Science and Environmental Epidemiology. 31, p. 345–355

    Research output: Contribution to journalJournal articleResearchpeer-review

  90. Published

    Urinary bisphenol A levels in young Urinary Bisphenol A Levels in Young Men: Association with Reproductive Hormones and Semen Quality

    Lassen, T. H., Frederiksen, H., Jensen, T. K., Petersen, Jørgen Holm, Joensen, U. N., Main, Katharina Maria, Skakkebæk, Niels Erik, Juul, Anders, Jørgensen, N. & Andersson, A., 2014, In: Environmental Health Perspectives. 122, 5, p. 478-484 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  91. Published

    Urinary excretion of phthalate metabolites in 129 healthy Danish children and adolescents: Estimation of daily phthalate intake

    Frederiksen, H., Aksglaede, L., Sørensen, K., Skakkebæk, Niels Erik, Juul, Anders & Andersson, A., 1 Jul 2011, In: Environmental Research. 111, 5, p. 656-63 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  92. Published

    Urinary excretion of phthalates and paraben after repeated whole-body topical application in humans

    Janjua, N. R., Frederiksen, H., Skakkebæk, Niels Erik, Wulf, H. C. & Andersson, A., 1 Apr 2008, In: International Journal of Andrology. 31, 2, p. 118-30 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  93. Published

    Urinary phthalate excretion in 555 healthy Danish boys with and without pubertal gynaecomastia

    Mieritz, M. G., Frederiksen, H., Sørensen, K., Aksglaede, L., Mouritsen, A., Hagen, C. P., Skakkebæk, Niels Erik, Andersson, A. & Juul, Anders, 2012, In: International Journal of Andrology. 35, 3, p. 227-35 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  94. Published

    Urinary phthalates from 168 girls and boys measured twice a year during a 5-year period

    Mouritsen, Annette Korsholm, Frederiksen, H., Sørensen, K., Aksglæde, L., Hagen, C., Skakkebæk, Niels Erik, Main, Katharina Maria, Andersson, A. M. & Juul, Anders, 2013, In: Journal of Clinical Endocrinology and Metabolism. 98, 9, p. 3755-3764 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  95. Published

    Use of e-cigarettes associated with lower sperm counts in a cross-sectional study of young men from the general population

    Holmboe, S. A., Priskorn, L., Jensen, T. K., Skakkebæk, Niels Erik, Andersson, A. & Jørgensen, N., Jul 2020, In: Human Reproduction. 35, 7, p. 1693-1701

    Research output: Contribution to journalJournal articleResearchpeer-review

  96. Published

    Use of stored serum in the study of time trends and geographical differences in exposure of pregnant women to phthalates

    Henriksen, L. S., Mathiesen, B. K., Assens, M., Krause, M., Skakkebæk, Niels Erik, Juul, Anders, Andersson, A. M., Hart, R. J., Newnham, J. P., Keelan, J. A., Pennell, C., Main, Katharina Maria & Frederiksen, H., 2020, In: Environmental Research. 184, 109231.

    Research output: Contribution to journalJournal articleResearchpeer-review

  97. Published

    Validation of image cytometry for sperm concentration measurement: Comparison with manual counting of 4010 human semen samples

    Egeberg Palme, D. L., Johannsen, T. H., Petersen, Jørgen Holm, Skakkebæk, Niels Erik, Juul, Anders, Jørgensen, N. & Almstrup, Kristian, 2017, In: Clinica Chimica Acta. 468, p. 114-119 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  98. Published

    Variant PNLDC1, Defective piRNA Processing, and Azoospermia

    Nagirnaja, L., Mørup, N., Nielsen, J. E., Stakaitis, R., Golubickaite, I., Oud, M. S., Winge, S. B., Carvalho, F., Aston, K. I., Khani, F., Van Der Heijden, G. W., Marques, C. J., Skakkebæk, Niels Erik, Rajpert–de Meyts, E., Schlegel, P. N., Jørgensen, N., Veltman, J. A., Lopes, A. M., Conrad, D. F. & Almstrup, Kristian, 19 Aug 2021, In: New England Journal of Medicine. 385, 8, p. 707-719 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  99. Published

    Variations in repeated serum concentrations of UV filters, phthalates, phenols and parabens during pregnancy

    Assens, M., Frederiksen, H., Petersen, Jørgen Holm, Larsen, T., Skakkebæk, Niels Erik, Juul, Anders, Andersson, A. & Main, Katharina Maria, 2019, In: Environment International. 123, p. 318-324 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  100. Published

    Varicocele Is Associated with Impaired Semen Quality and Reproductive Hormone Levels: A Study of 7035 Healthy Young Men from Six European Countries

    Damsgaard, J., Joensen, U. N., Carlsen, E., Erenpreiss, J., Jensen, M. B., Matulevicius, V., Zilaitiene, B., Olesen, I. A., Perheentupa, A., Punab, M., Salzbrunn, A., Toppari, J., Virtanen, H. E., Juul, Anders, Skakkebæk, Niels Erik & Jørgensen, N., Dec 2016, In: European Urology. 70, 6, p. 1019-1029 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 35319116