Niels Erik Skakkebæk

Niels Erik Skakkebæk

Affiliate Professor

Member of:

  • Paediatrics


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  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 journal › Journal article › Research › peer-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 journal › Comment/debate › Research

  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 journal › Journal article › Research

  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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research

  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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 proceeding › Book chapter › Research

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