Niels Erik Skakkebæk

Niels Erik Skakkebæk

Affiliate Professor

Member of:

  • Paediatrics


  1. Published

    Anogenital distance as a phenotypic signature through infancy

    Priskorn, L., Petersen, Jørgen Holm, Jørgensen, N., Kyhl, H. B., Andersen, M. S., Main, Katharina Maria, Andersson, A., Skakkebæk, Niels Erik & Jensen, T. K., 2018, In: Pediatric Research. 83, 3, p. 573-579 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Familial resemblance in markers of testicular function in fathers and their young sons: a cross-sectional study

    Priskorn, L., Joensen, Ulla Nordström, Petersen, Jørgen Holm, Jensen, T. K., Skakkebæk, Niels Erik & Jørgensen, N., 2021, In: Human reproduction (Oxford, England). 36, 3, p. 543-550 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Adverse trends in male reproductive health and decreasing fertility rates

    Priskorn, L., Holmboe, S., Jørgensen, N., Andersson, A., Almstrup, Kristian, Toppari, J. & Skakkebæk, Niels Erik, 2012, In: Animal Reproduction Science. 31, 2, p. 760-771 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Is Sedentary Lifestyle Associated With Testicular Function? A Cross-Sectional Study of 1,210 Men

    Priskorn, L., Jensen, T. K., Bang, A. K., Nordkap, L., Joensen, Ulla Nordström, Lassen, T. H., Olesen, I. A., Swan, S. H., Skakkebæk, Niels Erik & Jørgensen, N., 15 Aug 2016, In: American Journal of Epidemiology. 184, 4, p. 284-294 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    High maternal age at first and subsequent child births in Denmark in the mid-1800s-Letter to the editor

    Priskorn, L., Dahl, C. L., Pihl, A. S., Skakkebæk, Niels Erik & Juul, Anders, Oct 2019, In: European Journal of Obstetrics & Gynecology and Reproductive Biology. 241, p. 137-138 2 p.

    Research output: Contribution to journalComment/debateResearchpeer-review

  6. Published

    Increasing trends in childlessness in recent birth cohorts - a registry-based study of the total Danish male population born from 1945 to 1980

    Priskorn, L., Holmboe, S., Jacobsen, R., Jensen, T. K., Lassen, T. H. & Skakkebæk, Niels Erik, 2012, In: International Journal of Andrology. 35, 3, p. 449-55 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. 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

  8. 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

  9. Published

    Increasing international efforts to understand and conquer testicular germ cell cancer

    Rajpert-De Meyts, E., Daugaard, G., Almstrup, Kristian, Jørgensen, A., Rørth, M., Jørgensen, N., von der Maase, H. & Skakkebæk, Niels Erik, Jan 2015, In: Andrology. 3, 1, p. 1-3 3 p.

    Research output: Contribution to journalEditorialResearchpeer-review

  10. Published

    Changes in the profile of simple mucin-type O-glycans and polypeptide GalNAc-transferases in human testis and testicular neoplasms are associated with germ cell maturation and tumour differentiation

    Rajpert-De Meyts, E., Poll, S. N., Goukasian, I., Jeanneau, C., Herlihy, A. S., Bennett, Eric Paul, Skakkebæk, Niels Erik, Clausen, Henrik, Giwercman, A. & Mandel, Ulla, 2007, In: Virchows Archiv. 451, 4, p. 805-14 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Goodbye International Journal of Andrology, welcome Andrology!

    Rajpert-De Meyts, E., Eliasson, R., Comhaire, F. H., Skakkebæk, Niels Erik, Sharpe, R. M. & Toppari, J., 2022, In: Andrology. 10, S2, p. 133-138

    Research output: Contribution to journalEditorialResearchpeer-review

  12. Published

    Prolonged expression of the c-kit receptor in germ cells of intersex fetal testes

    Rajpert-De Meyts, E., Jørgensen, N., Müller, J. & Skakkebæk, Niels Erik, 1 Feb 1996, In: Journal of Pathology. 178, 2, p. 166-9 4 p.

    Research output: Contribution to journalJournal articleResearch

  13. 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

  14. Published

    Goodbye International Journal of Andrology, welcome Andrology!

    Rajpert-De Meyts, E., Eliasson, R., Comhaire, F. H., Skakkebæk, Niels Erik, Sharpe, R. M. & Toppari, J., 2012, In: International Journal of Andrology. 36, 6, p. 769-774 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Pathogenesis of testicular carcinoma in situ and germ cell cancer: still more questions than answers

    Rajpert-De Meyts, E. & Skakkebæk, Niels Erik, 1 Aug 2011, In: International Journal of Andrology. 34, 4 Pt 2, p. e2-6

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Optimised detection of germ cell neoplasia in situ in contralateral biopsy reduces the risk of second testis cancer

    Rajpert-De Meyts, E., Jørgensen, N., Petersen, Jørgen Holm, Almstrup, Kristian, Aksglaede, L., Lauritsen, J., Rørth, M., Daugaard, G. & Skakkebæk, Niels Erik, 2022, In: BJU International. 130, 5, p. 646-654 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Proceedings of the 7th Copenhagen Workshop on Testicular Carcinoma in situ and Germ Cell Cancer, 13-15 October 2010

    Rajpert-De Meyts, E., Grigor, K. M. & Skakkebæk, Niels Erik, 1 Aug 2011, In: International Journal of Andrology. 34, 4 Pt 2, p. e1

    Research output: Contribution to journalJournal articleResearch

  18. 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

  19. 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

  20. Published

    Cryptorchidism, hypospadias, testicular tumours and testicular dysgenesis syndrome

    Rajpert-De Meyts, E., Main, Katharina Maria, Toppari, J. & Skakkebæk, Niels Erik, 2010, Endocrinology.

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

  21. Published

    Origin of testicular germ cell neoplasia: The role of sex chromosomes

    Rajpert-De Meyts, E., Ottesen, A. M., Høi-Hansen, Christina Engel, Sonne, Si Brask, Leffers, H. & Skakkebæk, Niels Erik, 1 Jan 2007, The Y Chromosome and Male Germ Cell Biology in Health and Diseases. World Scientific Publishing Co., p. 289-308 20 p.

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

  22. Published

    Histopathological Evaluation of Testicular Biopsy

    Rajpert-de Meyts, E., Grigor, K. M. & Skakkebæk, Niels Erik, 2017, Endocrinology of the Testis and Male Reproduction. SimoniIlpo, M. & Huhtaniemi, I. (eds.). p. 1-20 (Endocrinology of the Testis and Male Reproduction).

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

  23. Published

    Massive weight loss restores 24-hour growth hormone release profiles and serum insulin-like growth factor-I levels in obese subjects

    Rasmussen, M. H., Hvidberg, A., Juul, Anders, Main, Katharina Maria, Gotfredsen, A., Skakkebæk, Niels Erik, Hilsted, J. & Skakkebae, N. E., 1995, In: Journal of Clinical Endocrinology and Metabolism. 80, 4, p. 1407-15 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Lack of stimulation of 24-hour growth hormone release by hypocaloric diet in obesity

    Rasmussen, M. H., Juul, Anders, Kjems, L. L., Skakkebæk, Niels Erik & Hilsted, J., 1995, In: Journal of Clinical Endocrinology and Metabolism. 80, 3, p. 796-801 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Prenatal and adult exposures to smoking are associated with adverse effects on reproductive hormones, semen quality, final height and body mass index

    Ravnborg, T. L., Jensen, T. K., Andersson, A., Toppari, J., Skakkebæk, Niels Erik & Jørgensen, N., 18 Feb 2011, In: Human Reproduction. 26, 5, p. 1000-1011 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Human sperm cells can form paracetamol metabolite AM404 that directly interferes with sperm calcium signalling and function through a CatSper-dependent mechanism

    Rehfeld, Anders Aagaard, Frederiksen, H., Rasmussen, R. H., David, A., Chaker, J., Nielsen, B. S., Nielsen, J. E., Juul, Anders, Skakkebæk, Niels Erik & Kristensen, D. M., 2022, In: Human reproduction (Oxford, England). 37, 5, p. 922-935 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    Chemical UV Filters Mimic the Effect of Progesterone on Ca(2+) Signaling in Human Sperm Cells

    Rehfeld, Anders Aagaard, Dissing, Steen & Skakkebæk, Niels Erik, Nov 2016, In: Endocrinology. 157, 11, p. 4297-4308 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    Bisphenol A Diglycidyl Ether (BADGE) and Bisphenol Analogs, but Not Bisphenol A (BPA), Activate the CatSper Ca2+ Channel in Human Sperm

    Rehfeld, Anders Aagaard, Andersson, A. M. & Skakkebæk, Niels Erik, 2020, In: Frontiers in Endocrinology. 11, 11 p., 324.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Published

    Medium-throughput Screening Assays for Assessment of Effects on Ca2+-Signaling and Acrosome Reaction in Human Sperm

    Rehfeld, Anders Aagaard, Palme, D. L. E., Almstrup, Kristian, Juul, Anders & Skakkebæk, Niels Erik, 2019, In: Journal of Visualized Experiments. 145, p. e59212

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. Published

    EDC IMPACT: Chemical UV filters can affect human sperm function in a progesterone-like manner

    Rehfeld, Anders Aagaard, Egeberg, D., Almstrup, Kristian, Petersen, Jørgen Holm, Dissing, Steen & Skakkebæk, Niels Erik, 2018, In: Endocrine Connections. 7, 1, p. 16-25

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. Published

    Medium-throughput Screening Assays for Assessment of Effects on Ca2+-Signaling and Acrosome Reaction in Human Sperm

    Rehfeld, A., Egeberg Palme, D. L., Almstrup, K., Juul, Anders & Skakkebæk, Niels Erik, 1 Mar 2019, In: Journal of visualized experiments : JoVE. 145, 9 p., e59212.

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. Published

    Bisphenol A Diglycidyl Ether (BADGE) and Progesterone Do Not Induce Ca2+ Signals in Boar Sperm Cells

    Rehfeld, Anders Aagaard, Mendoza, N., Ausejo, R. & Skakkebæk, Niels Erik, 2020, In: Frontiers in Physiology. 11, p. 785

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    An update on semen quality among young Finnish men and comparison with Danish data

    Rodprasert, W., Virtanen, H. E., Sadov, S., Perheentupa, A., Skakkebæk, Niels Erik, Jørgensen, N. & Toppari, J., 2019, In: Andrology. 7, 1, p. 15-23 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. Published

    Reproductive Markers of Testicular Function and Size During Puberty in Boys With and Without a History of Cryptorchidism

    Rodprasert, W., Koskenniemi, J. J., Virtanen, H. E., Sadov, S., Perheentupa, A., Ollila, H., Albrethsen, J., Andersson, A., Juul, Anders, Skakkebæk, Niels Erik, Main, Katharina Maria & Toppari, J., 2022, In: The Journal of clinical endocrinology and metabolism. 107, 12, p. 3353-3361 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  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

    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

  37. Published

    Contralateral biopsy in the management of testicular cancer: what we have learned and what we need to improve

    Rørth, M., Grigor, K. M., Jørgensen, N., Skakkebæk, Niels Erik & Rajpert-De Meyts, E., Jan 2015, In: Andrology. 3, 1, p. 99-101 3 p.

    Research output: Contribution to journalEditorialResearch

  38. Published

    Carcinoma in situ in the testis

    Rørth, M., Rajpert-De Meyts, E., Andersson, L., Dieckmann, Peter, Fosså, S. D., Grigor, K. M., Hendry, W. F., Herr, H. W., Looijenga, L. H., Oosterhuis, J. W. & Skakkebæk, Niels Erik, 2000, In: Scandinavian Journal of Urology and Nephrology, Supplementum. 205, p. 166-86 20 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. 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

  40. 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

  41. Direct action of endocrine disrupting chemicals on human sperm

    Schiffer, C., Müller, A., Egeberg, D. L., Alvarez, L., Brenker, C., Rehfeld, Anders Aagaard, Frederiksen, H., Wäschle, B., Kaupp, U. B., Balbach, M., Wachten, D., Skakkebæk, Niels Erik, Almstrup, Kristian & Strünker, T., Jul 2014, In: E M B O Reports. 15, 7, p. 758-65 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. 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

  43. 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

  44. 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

  45. 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

  46. Published

    Gene expression profiles of mouse spermatogenesis during recovery from irradiation

    Shah, F. J., Tanaka, M., Nielsen, J. E., Iwamoto, T., Kobayashi, S., Skakkebæk, Niels Erik, Leffers, H., Almstrup, K., Shah, F. J., Tanaka, M., Nielsen, J. E., Iwamoto, T., Kobayashi, S., Skakkebæk, Niels Erik, Leffers, H. & Almstrup, Kristian, 1 Jan 2009, In: Reproductive Biology and Endocrinology. 7, p. 130

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. Published

    In vitro bioassay investigations of the endocrine disrupting potential of steviol glycosides and their metabolite steviol, components of the natural sweetener Stevia

    Shannon, M., Rehfeld, Anders Aagaard, Frizzell, C., Livingstone, C., McGonagle, C., Skakkebæk, Niels Erik, Wielogórska, E. & Connolly, L., 15 May 2016, In: Molecular and Cellular Endocrinology. 427, p. 65-72

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. 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

  49. Published

    Concentrations of persistent organochlorine compounds in human milk and placenta are higher in Denmark than in Finland

    Shen, H., Main, K. M., Andersson, A. M., Damgaard, I. N., Virtanen, H. E., Toppari, J., Schramm, K. W. & Skakkebæk, Niels Erik, 2008, In: Human Reproduction. 23, 1, p. 201-210 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  50. 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

  51. Published

    A Brief Review of the Link between Environment and Male Reproductive Health: Lessons from Studies of Testicular Germ Cell Cancer

    Skakkebæk, Niels Erik, 2016, In: Hormone Research in Paediatrics. 86, 4, p. 240-246 7 p.

    Research output: Contribution to journalReviewResearchpeer-review

  52. Published

    Populations, decreasing fertility, and reproductive health

    Skakkebæk, Niels Erik, Jørgensen, N., Andersson, A., Juul, Anders, Main, Katharina Maria, Jensen, T. K. & Toppari, J., 13 Apr 2019, In: Lancet Oncology. 393, 10180, p. 1500-1501 2 p.

    Research output: Contribution to journalComment/debateResearchpeer-review

  53. Published

    Male Reproductive Disorders and Fertility Trends: Influences of Environment and Genetic Susceptibility

    Skakkebæk, Niels Erik, Rajpert-De Meyts, E., Buck Louis, G. M., Toppari, J., Andersson, A., Eisenberg, M. L., Jensen, T. K., Jørgensen, N., Swan, S. H., Sapra, K. J., Ziebe, S., Priskorn, L. & Juul, Anders, Jan 2016, In: Physiological Reviews. 96, 1, p. 55-97 43 p.

    Research output: Contribution to journalReviewResearchpeer-review

  54. Published

    Normal reference ranges for semen quality and their relations to fecundity

    Skakkebæk, Niels Erik, 1 Jan 2010, In: Asian Journal of Andrology. 12, 1, p. 95-8 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  55. 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

  56. Published

    Is human fecundity declining?

    Skakkebæk, Niels Erik, Jørgensen, N., Main, Katharina Maria, Rajpert-De Meyts, E., Leffers, H., Andersson, A., Juul, Anders, Carlsen, E., Mortensen, G. K., Jensen, T. K. & Toppari, J., 1 Feb 2006, In: International Journal of Andrology. 29, 1, p. 2-11 10 p.

    Research output: Contribution to journalJournal articleResearch

  57. Published

    Commentary: sperm counts, data responsibility, and good scientific practice

    Skakkebæk, Niels Erik, Andersson, A., Juul, Anders, Jensen, T. K., Almstrup, Kristian, Toppari, J. & Jørgensen, N., 1 Sep 2011, In: Epidemiology. 22, 5, p. 620-1 2 p.

    Research output: Contribution to journalLetterResearch

  58. 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

  59. Published

    Environmental factors in declining human fertility

    Skakkebæk, Niels Erik, Lindahl-Jacobsen, R., Levine, H., Andersson, A., Jørgensen, N., Main, Katharina Maria, Lidegaard, Øjvind, Priskorn, Lærke, Holmboe, S. A., Bräuner, E. V., Almstrup, Kristian, Franca, L. R., Znaor, A., Kortenkamp, A., Hart, R. J. & Juul, Anders, 2022, In: Nature Reviews Endocrinology. 18, p. 139–157

    Research output: Contribution to journalReviewResearchpeer-review

  60. Published

    Association between testicular dysgenesis syndrome (TDS) and testicular neoplasia: evidence from 20 adult patients with signs of maldevelopment of the testis

    Skakkebæk, Niels Erik, Holm, M., Hoei-Hansen, C., Jørgensen, N. & Rajpert-De Meyts, E., 1 Jan 2003, In: Acta Pathologica Microbiologica et Immunologica Scandinavica. 111, 1, p. 1-9; discussion 9-11

    Research output: Contribution to journalJournal articleResearch

  61. Published

    Changes in semen and the testis

    Skakkebæk, Niels Erik & Keiding, N., 19 Nov 1994, In: BMJ. 309, 6965, p. 1316-1317 2 p.

    Research output: Contribution to journalEditorialResearch

  62. Published

    Mere Testikelkræft og dårlig sædkvalitet

    Skakkebæk, Niels Erik, 2008, In: Tidsskrift for Den norske lægeforening. 128, p. 554-554

    Research output: Contribution to journalJournal articleResearchpeer-review

  63. 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

  64. 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

  65. Published

    Is human fecundity changing? A discussion of research and data gaps precluding us from having an answer

    Smarr, M. M., Sapra, K. J., Gemmill, A., Kahn, L. G., Wise, L. A., Lynch, C. D., Factor-Litvak, P., Mumford, S. L., Skakkebæk, Niels Erik, Slama, R., Lobdell, D. T., Stanford, J. B., Jensen, T. K., Boyle, E. H., Eisenberg, M. L., Turek, P. J., Sundaram, R., Thoma, M. E. & Buck Louis, G. M., 2017, In: Human Reproduction. 32, 3, p. 499-504

    Research output: Contribution to journalComment/debateResearch

  66. 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

  67. 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

  68. Published

    Leydig cell clustering and Reinke crystal distribution in relation to hormonal function in adult patients with testicular dysgenesis syndrome (TDS) including cryptorchidism

    Soerensen, R. R., Johannsen, T. H., Skakkebæk, Niels Erik & Rajpert-De Meyts, E., Oct 2016, In: Hormones. 15, 4, p. 518-526 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  69. Published

    CDH1 (E-cadherin) in testicular germ cell neoplasia: suppressed translation of mRNA in pre-invasive carcinoma in situ but increased protein levels in advanced tumours

    Sonne, Si Brask, Hoei-Hansen, C. E., Nielsen, J. E., Herlihy, A. S., Andersson, A., Almstrup, Kristian, Daugaard, G., Skakkebæk, Niels Erik, Leffers, H., Rajpert-De Meyts, E., Sonne, S. B., Hoei-Hansen, C. E., Nielsen, J. E., Herlihy, A. S., Andersson, A., Almstrup, K., Daugaard, G., Skakkebæk, Niels Erik, Leffers, H. & Rajpert-De Meyts, E., 2006, In: Acta Pathologica Microbiologica et Immunologica Scandinavica. 114, 7-8, p. 549-58 10 p.

    Research output: Contribution to journalJournal articleResearch

  70. Published

    Analysis of gene expression profiles of microdissected cell populations indicates that testicular carcinoma in situ is an arrested gonocyte

    Sonne, Si Brask, Almstrup, Kristian, Dalgaard, M., Juncker, A. S., Edsgard, D., Ruban, L., Harrison, N. J., Schwager, C., Abdollahi, A., Huber, P. E., Brunak, Søren, Gjerdrum, L. M., Moore, H. D., Andrews, P. W., Skakkebæk, Niels Erik, Rajpert-De Meyts, E. & Leffers, H., 15 Jun 2009, In: Current Cancer Research. 69, 12, p. 5241-50 10 p.

    Research output: Contribution to journalJournal articleResearch

  71. Published

    Identity of M2A (D2-40) antigen and gp36 (Aggrus, T1A-2, podoplanin) in human developing testis, testicular carcinoma in situ and germ-cell tumours

    Sonne, Si Brask, Herlihy, A. S., Hoei-Hansen, C. E., Nielsen, J. E., Almstrup, Kristian, Skakkebæk, Niels Erik, Marks, A., Leffers, H. & Rajpert-De Meyts, E., 2006, In: Virchows Archiv. 449, 2, p. 200-6 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  72. 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

  73. Published

    Do environmental factors play a role in the aetiology of carcinoma in situ testis and the testicular dysgenesis syndrome?

    Sonne, Si Brask, Hoei-Hansen, C. E., Fisher, J. S., Leffers, H., Rajpert-de Meyts, E. & Skakkebæk, Niels Erik, 2004, In: Verhandlungen der Deutschen Gesellschaft fur Pathologie. 88, p. 144-51 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  74. 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

  75. 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

  76. Published

    Quantification of the Leydig cell compartment in testicular biopsies and association with biochemical Leydig cell dysfunction in testicular cancer survivors

    Tarsitano, M. G., Bandak, M., Jørgensen, N., Skakkebæk, Niels Erik, Juul, Anders, Lenzi, A., Daugaard, G. & Rajpert-De Meyts, E., 2018, In: Andrology. 6, 5, p. 748-755 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  77. Published

    Hypothesis: Metformin is a potential reproductive toxicant

    Tavlo, M., Skakkebæk, Niels Erik, Mathiesen, Elisabeth, Kristensen, D. M., Kjær, Kurt H., Andersson, A. & Lindahl-Jacobsen, R., 2022, In: Frontiers in Endocrinology. 13, 8 p., 1000872.

    Research output: Contribution to journalJournal articleResearchpeer-review

  78. Published

    Early puberty in internationally adopted girls: hormonal and clinical markers of puberty in 276 girls examined biannually over two years

    Teilmann, Grete Katrine, Petersen, Jørgen Holm, Gormsen, M., Damgaard, K., Skakkebæk, Niels Erik, Jensen, T. K., Teilmann, Grete Katrine, Petersen, J. H., Gormsen, M., Damgaard, K., Skakkebæk, Niels Erik & Jensen, T. K., 1 Jan 2009, In: Hormone Research. 72, 4, p. 236-46 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  79. Published

    Prevalence and incidence of precocious pubertal development in Denmark: an epidemiologic study based on national registries

    Teilmann, Grete Katrine, Pedersen, C., Jensen, T. K., Skakkebæk, Niels Erik & Juul, Anders, 2005, In: Pediatrics. 116, 6, p. 1323-8 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  80. Published

    Putative effects of endocrine disrupters on pubertal development in the human

    Teilmann, Grete Katrine, Juul, Anders, Skakkebæk, Niels Erik & Toppari, J., 2002, In: Best Practice & Research: Clinical Endocrinology & Metabolism. 16, 1, p. 105-21 17 p.

    Research output: Contribution to journalJournal articleResearch

  81. Published

    Intranasal LH-RH treatment of cryptorchidism. A clinical trial and 5 years follow-up

    Thorup, Jørgen Mogens, Mauritzen, K. & Skakkebæk, Niels Erik, 1987, In: European Journal of Pediatrics. 146 Suppl 2, p. S40-1

    Research output: Contribution to journalJournal articleResearchpeer-review

  82. Published

    Re: The true incidence of cryptorchidism in Denmark: D. Cortes, E. M. Kjellberg, M. Breddam and J. Thorup, J Urol 2008; 179: 314-318

    Thorup, Jørgen Mogens, Cortes, Dina, Main, Katharina Maria, Skakkebæk, Niels Erik & Toppari, J., Feb 2009, In: The Journal of Urology. 181, 2, p. 922-4 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  83. Published

    Prenatal pesticide exposure and PON1 genotype associated with adolescent body fat distribution evaluated by dual X-ray absorptiometry (DXA)

    Tinggaard, J., Wohlfahrt-Veje, C., Husby, S., Christiansen, L., Skakkebæk, Niels Erik, Jensen, T. K., Grandjean, P., Main, Katharina Maria & Andersen, H. R., Jul 2016, In: Andrology. 4, 4, p. 735-744 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  84. Published

    Parental Occupational Exposure to Heavy Metals and Welding Fumes and Risk of Testicular Germ Cell Tumors in Offspring: A Registry-Based Case-Control Study

    Togawa, K., Le Cornet, C., Feychting, M., Tynes, T., Pukkala, E., Hansen, J., Olsson, A., Dalton, S. O., Nordby, K., Uuksulainen, S., Wiebert, P., Woldbæk, T., Skakkebæk, Niels Erik, Fervers, B. & Schüz, J., Oct 2016, In: Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology. 25, 10, p. 1426-1434 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  85. Published

    Male reproductive health and environmental xenoestrogens

    Toppari, J., Larsen, J. C., Christiansen, P., Giwercman, A., Grandjean, P., Guillette, L. J., Jégou, B., Jensen, T. K., Jouannet, P., Keiding, N., Leffers, H., McLachlan, J. A., Meyer, O., Müller, J., Rajpert-De Meyts, E., Scheike, T., Sharpe, R., Sumpter, J. & Skakkebæk, Niels Erik, 1 Aug 1996, In: Environmental Health Perspectives. 104 Suppl 4, p. 741-803 63 p.

    Research output: Contribution to journalJournal articleResearch

  86. Published

    Cryptorchidism and hypospadias as a sign of testicular dysgenesis syndrome (TDS): environmental connection

    Toppari, J., Virtanen, H. E., Main, Katharina Maria & Skakkebæk, Niels Erik, 1 Oct 2010, In: Birth Defects Research. Part A: Clinical and Molecular Teratology. 88, 10, p. 910-9 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  87. Published

    Possible developmental early effects of endocrine disrupters on child health

    Toppari, J., Adamsson, A., Boas, M., Juul, Anders, Main, Katharina Maria, Skakkebæk, Niels Erik & Virtanen, H., 2012, WHO report 2012. p. 1-83

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

  88. Published

    Burden of disease and costs of exposure to endocrine disrupting chemicals in the European Union: an updated analysis

    Trasande, L., Zoeller, R. T., Hass, U., Kortenkamp, A., Grandjean, P., Myers, J. P., DiGangi, J., Hunt, P. M., Rudel, R., Sathyanarayana, S., Bellanger, M., Hauser, R., Legler, J., Skakkebæk, Niels Erik & Heindel, J. J., Jul 2016, In: Andrology. 4, 4, p. 565-572 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  89. Published

    Levels of persistent organic pollutants in breast milk samples representing Finnish and Danish boys with and without hypospadias

    Tysman, M., Toppari, J., Main, Katharina Maria, Adamsson, A., Wohlfahrt-Veje, C., Antignac, J., Le Bizec, B., Löyttyniemi, E., Skakkebæk, Niels Erik & Virtanen, H. E., 2023, In: Chemosphere. 313, 8 p., 137343.

    Research output: Contribution to journalJournal articleResearchpeer-review

  90. 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

  91. Published

    Early breast development in girls after prenatal exposure to non-persistent pesticides

    Veje, C. W., Andersen, H. R., Schmidt, I. M., Aksglaede, L., Sørensen, K., Juul, Anders, Jensen, T. K., Grandjean, P., Skakkebæk, Niels Erik & Main, Katharina Maria, 2012, In: International Journal of Andrology. 35, 3, p. 273-82

    Research output: Contribution to journalJournal articleResearchpeer-review

  92. Published

    Associations between congenital cryptorchidism in newborn boys and levels of dioxins and PCBs in placenta

    Virtanen, H. E., Koskenniemi, J. J., Sundqvist, E., Main, Katharina Maria, Kiviranta, H., Tuomisto, J. T., Tuomisto, J., Viluksela, M., Vartiainen, T., Skakkebæk, Niels Erik & Toppari, J., 2012, In: International Journal of Andrology. 35, 3, p. 283-93 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  93. Published

    Development and descent of the testis in relation to cryptorchidism

    Virtanen, H. E., Cortes, Dina, Rajpert-De Meyts, E., Ritzén, E. M., Nordenskjöld, A., Skakkebæk, Niels Erik & Toppari, J., 1 May 2007, In: Acta Paediatrica. 96, 5, p. 622-7 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  94. Published

    Nervous system drugs taken by future fathers and birth defects in offspring: a prospective registry-based cohort study

    Wensink, M., Lu, Y., Tian, L., Jensen, T. K., Skakkebæk, Niels Erik, Lindahl-Jacobsen, R. & Eisenberg, M., 2022, In: BMJ Open. 12, 3, 8 p., e053946.

    Research output: Contribution to journalJournal articleResearchpeer-review

  95. Published

    Preconception Antidiabetic Drugs in Men and Birth Defects in Offspring: A Nationwide Cohort Study

    Wensink, M. J., Lu, Y., Tian, L., Shaw, G. M., Rizzi, S., Jensen, T. K., Mathiesen, Elisabeth, Skakkebæk, Niels Erik, Lindahl-Jacobsen, R. & Eisenberg, M. L., 2022, In: Annals of Internal Medicine. 175, 5, p. 665-673 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  96. 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

  97. 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

  98. Published

    Polychlorinated dibenzo-p-dioxins, furans, and biphenyls (PCDDs/PCDFs and PCBs) in breast milk and early childhood growth and IGF1

    Wohlfahrt-Veje, C., Audouze, K., Brunak, Søren, Antignac, J. P., le Bizec, B., Juul, Anders, Skakkebæk, Niels Erik & Main, Katharina Maria, 2014, In: Reproduction. 147, 4, p. 391-399 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  99. Published

    Acquired cryptorchidism is frequent in infancy and childhood

    Wohlfahrt-Veje, C., Boisen, K. A., Boas, M., Damgaard, I. N., Kai, C. M., Schmidt, I. M., Chellakooty, M., Suomi, A., Toppari, J., Skakkebæk, Niels Erik & Main, Katharina Maria, 2009, In: International Journal of Andrology. 32, 4, p. 423-8 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  100. Published

    Pubertal Onset in Boys and Girls Is Influenced by Pubertal Timing of Both Parents

    Wohlfahrt-Veje, C., Mouritsen, A., Hagen, C. P., Tinggaard, J., Mieritz, M. G., Boas, M., Petersen, Jørgen Holm, Skakkebæk, Niels Erik & Main, Katharina Maria, Jul 2016, In: The Journal of Clinical Endocrinology & Metabolism. 101, 7, p. 2667–2674 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 35319116