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Niels E. Skakkebæk

Niels E. Skakkebæk

D-Index & Metrics

Medicine

D-Index
161
Citations
93402
World Ranking
753
National Ranking
12

Niels E. Skakkebæk publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Niels E. Skakkebæk sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 611 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 711 publications — 82nd percentile

82% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Niels E. Skakkebæk D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Niels E. Skakkebæk sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 400 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 161 D-Index — 96th percentile

96% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

Niels E. Skakkebæk is affiliated with the University of Copenhagen in Denmark and has made significant contributions in the field of medicine, with a primary focus on reproductive medicine and related disciplines. Their research encompasses a broad range of topics including sperm and testicular function, effects and risks of endocrine disrupting chemicals, testicular diseases and treatments, sexual differentiation and disorders, birth, development, and health, reproductive biology and fertility, as well as the impact of toxic organic pollutants.

The scientist's scholarly output includes numerous publications in well-regarded journals. Frequent publication venues for their work include:

  • Human Reproduction
  • Nature Reviews Endocrinology
  • Frontiers in Endocrinology
  • Endocrine Connections
  • The Journal of Clinical Endocrinology & Metabolism

Among recent published papers by Niels E. Skakkebæk are:

  • "Environmental factors in declining human fertility," 2021, Nature Reviews Endocrinology
  • "Paracetamol use during pregnancy - a call for precautionary action," 2021, Nature Reviews Endocrinology (co-authored by Ann Z. Bauer)
  • "Global patterns in testicular cancer incidence and mortality in 2020," 2022, International Journal of Cancer (co-authored by Ariana Znaor)
  • "Variant PNLDC1, Defective piRNA Processing, and Azoospermia," 2021, New England Journal of Medicine (co-authored by Liina Nagirnaja)
  • "Preconception Antidiabetic Drugs in Men and Birth Defects in Offspring," 2022, Annals of Internal Medicine (co-authored by Maarten Jan Wensink)

Niels E. Skakkebæk collaborates frequently with other researchers, including:

  • Anders Juul
  • Anna-Maria Andersson
  • Lærke Priskorn
  • Rune Lindahl-Jacobsen
  • Niels Jørgensen

Their work is situated mainly within the broad field of medicine, with a strong interdisciplinary approach toward public health, environmental factors, molecular biology, and pediatrics. Subfields of study that characterize their research include reproductive medicine, pediatrics, perinatology and child health, health toxicology and mutagenesis, as well as public health, environmental, and occupational health.

Best Publications

  • Evidence for Decreasing Quality of Semen During Past 50 Years

    Elisabeth Carlsen;Aleksander Giwercman;Niels Keiding;Niels E. Skakkebaek

  • Testicular dysgenesis syndrome: an increasingly common developmental disorder with environmental aspects

    N‐E. Skakkebaek;E. Rajpert De Meyts;K.M. Main

  • Are oestrogens involved in falling sperm counts and disorders of the male reproductive tract

    R Sharpe;Niels E Skakkebaek

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

    Anne-Simone Parent;Grete Teilmann;Anders Juul;Niels E Skakkebaek

  • Male reproductive health and environmental xenoestrogens

    J Toppari;JC Larsen;P Christiansen;A Giwercman

  • Endocrine-Disrupting Chemicals and Public Health Protection: A Statement of Principles from The Endocrine Society

    R. Thomas Zoeller;T. R. Brown;L. L. Doan;A. C. Gore

  • BENEFICIAL EFFECTS OF GROWTH HORMONE TREATMENT IN GH-DEFICIENT ADULTS

    J O Jørgensen;S A Pedersen;L Thuesen;J Jørgensen

  • Carcinoma-in-situ of the testis: possible origin from gonocytes and precursor of all types of germ cell tumours except spermatocytoma.

    N. E. Skakkebæk;J. G. Berthelsen;A. Giwercman;J. Müller

  • Plasma Leptin Levels in Healthy Children and Adolescents: Dependence on Body Mass Index, Body Fat Mass, Gender, Pubertal Stage, and Testosterone

    Werner F. Blum;Piera Englaro;Sigrid Hanitsch;Anders Juul

  • Body mass index in relation to semen quality and reproductive hormones among 1,558 Danish men.

    Tina Kold Jensen;Anne-Maria Andersson;Niels Jørgensen;Anne-Grethe Andersen

  • Relation between semen quality and fertility: a population-based study of 430 first-pregnancy planners

    Jens Peter E Bonde;Erik Ernst;Tina Kold Jensen;Niels Henrik I Hjollund

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

    Niels E Skakkebaek;Ewa Rajpert-De Meyts;Germaine M Buck Louis;Jorma Toppari

  • State of the Science of Endocrine Disrupting Chemicals 2012. Summary for Decision-Makers

    Georg Becher;Åke Bergman;Poul Bjerregaard;Riana Bornman

  • 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

    A Juul;P Bang;N T Hertel;K Main

  • Human breast milk contamination with phthalates and alterations of endogenous reproductive hormones in infants three months of age

    Katharina M. Main;Gerda K. Mortensen;Marko M. Kaleva;Kirsten A. Boisen

  • POSSIBLE CARCINOMA-IN-SITU OF THE TESTIS

    NielsE. Skakkebæk

  • European Consensus Conference on Diagnosis and Treatment of Germ Cell Cancer: A Report of the Second Meeting of the European Germ Cell Cancer Consensus group (EGCCCG): Part I

    Susanne Krege;Jörg Beyer;Rainer Souchon;Peter Albers

  • Recent Decline in Age at Breast Development: The Copenhagen Puberty Study

    Lise Aksglaede;Kaspar Sørensen;Jørgen H Petersen;Niels E Skakkebaek

  • Environmental chemicals and thyroid function

    Malene Boas;Ulla Feldt-Rasmussen;Niels E Skakkebæk;Katharina M Main

  • Metabolism of phthalates in humans.

    Hanne Frederiksen;Niels E. Skakkebaek;Anna-Maria Andersson

Frequent Co-Authors

Anders Juul
Anders Juul University of Copenhagen
Anna-Maria Andersson
Anna-Maria Andersson University of Copenhagen
Tina Kold Jensen
Tina Kold Jensen University of Southern Denmark
Katharina M. Main
Katharina M. Main University of Copenhagen
Niels Jørgensen
Niels Jørgensen University of Copenhagen
Jorma Toppari
Jorma Toppari University of Turku
Ewa Rajpert-De Meyts
Ewa Rajpert-De Meyts University of Copenhagen
Jørgen Holm Petersen
Jørgen Holm Petersen University of Copenhagen
Henrik Leffers
Henrik Leffers Copenhagen University Hospital
Aleksander Giwercman
Aleksander Giwercman Lund University

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