Jørgensen, Niels

Temporal trends in sperm count: a systematic review and meta-regression analysis

Levine, H., Jørgensen, N., Martino-Andrade, A., Mendiola, J., Weksler-Derri, D., Mindlis, I., Pinotti, R., & Swan, S. H. (2017) · Human Reproduction Update

Sperm and Testicular FunctionMale Reproductive Health Studies

Cited by 1,374

Temporal trends in sperm count: a systematic review and meta-regression analysis of samples collected globally in the 20th and 21st centuries

Levine, H., Jørgensen, N., Martino-Andrade, A., Mendiola, J., Weksler-Derri, D., Jolles, M., Pinotti, R., & Swan, S. H. (2023) · Human Reproduction Update

Sperm and Testicular FunctionMale Reproductive Health Studies

Cited by 728

Do Perfluoroalkyl Compounds Impair Human Semen Quality?

Joensen, U. N., Bossi, R., Leffers, H., Jensen, A. A., Skakkebæk, N. E., & Jørgensen, N. (2009) · Environmental Health Perspectives

Per- and polyfluoroalkyl substances researchSperm and Testicular Function

Cited by 413

Environmental factors in declining human fertility

Skakkebæk, N. E., Lindahl-Jacobsen, R., Levine, H., Andersson, A.-M., Jørgensen, N., Main, K. M., Lidegaard, Ø., Priskorn, L., Holmboe, S. A., Bräuner, E. V., et al. (2022) · Nature Reviews Endocrinology

Effects and risks of endocrine disrupting chemicalsSperm and Testicular Function

Cited by 389

Parabens in urine, serum and seminal plasma from healthy Danish men determined by liquid chromatography–tandem mass spectrometry (LC–MS/MS)

Frederiksen, H., Jørgensen, N., & Andersson, A.-M. (2011) · Journal of Exposure Science & Environmental Epidemiology

Effects and risks of endocrine disrupting chemicalsPharmaceutical and Antibiotic Environmental Impacts

Cited by 254

Association between use of marijuana and male reproductive hormones and semen quality: a study among 1,215 healthy young men

Gundersen, T. D., Jørgensen, N., Andersson, A.-M., Bang, A. K., Nordkap, L., Skakkebæk, N. E., Priskorn, L., Juul, A., & Jensen, T. K. (2015) · American Journal of Epidemiology

Sperm and Testicular FunctionCannabis and Cannabinoid Research

Cited by 225

Human urinary excretion of non-persistent environmental chemicals: an overview of Danish data collected between 2006 and 2012

Frederiksen, H., Jensen, T. K., Jørgensen, N., Kyhl, H. B., Husby, S., Skakkebæk, N. E., Main, K. M., Juul, A., & Andersson, A.-M. (2014) · Reproduction

Effects and risks of endocrine disrupting chemicalsToxic Organic Pollutants Impact

Cited by 219

Increased number of sex chromosomes affects height in a nonlinear fashion: a study of 305 patients with sex chromosome aneuploidy

Ottesen, A. M., Aksglaede, L., Garn, I., Tartaglia, N., Tassone, F., Gravholt, C. H., Bojesen, A., Sørensen, K., Jørgensen, N., Rajpert‐De Meyts, E., et al. (2010) · American Journal of Medical Genetics Part A

Genetic and Clinical Aspects of Sex Determination and Chromosomal AbnormalitiesSexual Differentiation and Disorders

Cited by 219

Sperm morphological defects related to environment, lifestyle and medical history of 1001 male partners of pregnant women from four European cities

Auger, J., Eustache, F., Andersen, A. G., Irvine, D. S., Jørgensen, N., Skakkebæk, N. E., Suominen, J., Toppari, J., Vierula, M., & Jouannet, P. (2001) · Human Reproduction

Sperm and Testicular FunctionMale Reproductive Health Studies

Cited by 211

Effects of vitamin D supplementation on semen quality, reproductive hormones, and live birth rate: a randomized clinical trial

Blomberg Jensen, M., Lawaetz, J. G., Petersen, J. H., Juul, A., & Jørgensen, N. (2018) · The Journal of Clinical Endocrinology & Metabolism

Sperm and Testicular FunctionVitamin D Research Studies

Cited by 129

Sex, age, pubertal development and use of oral contraceptives in relation to serum concentrations of DHEA, DHEAS, 17α-hydroxyprogesterone, δ4-androstenedione, testosterone and their ratios in children, adolescents and young adults

Søeborg, T., Frederiksen, H., Mouritsen, A., Johannsen, T. H., Main, K. M., Jørgensen, N., Petersen, J. H., Andersson, A.-M., & Juul, A. (2014) · Clinica Chimica Acta

Hormonal and reproductive studiesAdrenal Hormones and Disorders

Cited by 81

Average sperm count remains unchanged despite reduction in maternal smoking: results from a large cross-sectional study with annual investigations over 21 years

Priskorn, L., Nordkap, L., Bang, A. K., Krause, M., Holmboe, S. A., Egeberg Palme, D. L., Winge, S. B., Mørup, N., Carlsen, E., Joensen, U. N., et al. (2018) · Human Reproduction

Sperm and Testicular FunctionMale Reproductive Health Studies

Cited by 73

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., et al. (2022) · Human Reproduction

Sperm and Testicular FunctionMeta-analysis and systematic reviews

Cited by 71

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., Skakkebaek, N. E., Andersson, A.-M., & Jørgensen, N. (2020) · Human Reproduction

Sperm and Testicular FunctionSmoking Behavior and Cessation

Cited by 51

Sex- and age-specific reference intervals of 16 steroid metabolites quantified simultaneously by LC-MS/MS in sera from 2458 healthy subjects aged 0 to 77 years

Frederiksen, H., Johannsen, T. H., Andersen, S. E., Petersen, J. H., Busch, A. S., Ljubicic, M. L., Fischer, M. B., Upners, E. N., Hagen, C. P., Main, K. M., et al. (2024) · Clinica Chimica Acta

Adrenal Hormones and DisordersClinical Laboratory Practices and Quality Control

Cited by 46

Are worldwide sperm counts declining?

Jørgensen, N., Lamb, D. J., Levine, H., Pastuszak, A. W., Sigalos, J. T., Swan, S. H., & Eisenberg, M. L. (2021) · Fertility and Sterility

Sperm and Testicular FunctionMale Reproductive Health Studies

Cited by 37

Effects of vitamin D on sex steroids, luteinizing hormone, and testosterone to luteinizing hormone ratio in 307 infertile men

Holt, R., Yahyavi, S. K., Kooij, I., Poulsen, N. N., Juul, A., Jørgensen, N., & Blomberg Jensen, M. (2024) · Andrology

Vitamin D Research StudiesSperm and Testicular Function

Cited by 21

Reduced serum concentrations of biomarkers reflecting leydig and sertoli cell function in male patients with congenital adrenal hyperplasia

Johannsen, T. H., Albrethsen, J., Neocleous, V., Baronio, F., Cools, M., Aksglaede, L., Jørgensen, N., Christiansen, P., Toumba, M., Fanis, P., et al. (2023) · Endocrine Connections

Sexual Differentiation and DisordersAdrenal Hormones and Disorders

Cited by 9