World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
100
Citations
31799
World Ranking
8352
National Ranking
96

Niels Jørgensen 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 Jørgensen 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: 346 publications — 27th percentile

27% of scientists in this discipline score the same or lower.

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

Niels Jørgensen 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 Jørgensen 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: 100 D-Index — 60th percentile

60% of scientists in this discipline score the same or lower.

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

Overview

Niels Jørgensen is affiliated with the University of Copenhagen in Denmark. Their research primarily spans the fields of Medicine and Biochemistry, Genetics and Molecular Biology, with a strong focus on subfields such as Reproductive Medicine, Endocrinology, Diabetes and Metabolism, and Molecular Biology. Additional areas of specialization include Public Health, Environmental and Occupational Health, and Surgery.

Their work covers several main topics related to reproductive health and biology, including:

  • Sexual Differentiation and Disorders
  • Sperm and Testicular Function
  • Hormonal and reproductive studies
  • Reproductive Biology and Fertility
  • Ovarian function and disorders
  • Testicular diseases and treatments
  • Reproductive Health and Technologies

Jørgensen has published extensively, with frequent contributions to journals such as Human Reproduction, Andrology, Journal of the Endocrine Society, The Journal of Clinical Endocrinology & Metabolism, and Fertility and Sterility.

Some recent notable papers include:

  • "Temporal trends in sperm count: a systematic review and meta-regression analysis of samples collected globally in the 20th and 21st centuries" (2022), published in Human Reproduction Update
  • "Environmental factors in declining human fertility" (2021), published in Nature Reviews Endocrinology
  • "A de novo paradigm for male infertility" (2022), published in Nature Communications
  • "Diverse monogenic subforms of human spermatogenic failure" (2022), published in Nature Communications
  • "Standards in semen examination: publishing reproducible and reliable data based on high-quality methodology" (2022), published in Human Reproduction

Frequent collaborators with Jørgensen include Anders Juul, Lærke Priskorn, Martin Blomberg Jensen, Anna-Maria Andersson, and Jørgen Holm Petersen.

Best Publications

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

    Hagai Levine;Niels Jørgensen;Anderson Martino-Andrade;Jaime Mendiola

  • 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

  • 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

  • Regional differences in semen quality in Europe.

    Niels Jørgensen;Anne-Grethe Andersen;Florence Eustache;D. Stewart Irvine

  • Expression of anti-müllerian hormone during normal and pathological gonadal development : Association with differentiation of Sertoli and granulosa cells

    Ewa Rajpert-De Meyts;Niels Jørgensen;Niels Græm;Jørn Müller

  • Obesity and Bariatric Surgery Drive Epigenetic Variation of Spermatozoa in Humans.

    Ida Donkin;Soetkin Versteyhe;Lars R. Ingerslev;Kui Qian

  • Do perfluoroalkyl compounds impair human semen quality

    Ulla Nordström Joensen;Rossana Bossi;Henrik Leffers;Allan Astrup Jensen

  • High frequency of sub-optimal semen quality in an unselected population of young men

    A G Andersen;Tina Kold Jensen;E Carlsen;N Jørgensen

  • Nordic consensus on treatment of undescended testes

    E Martin Ritzén;Anders Bergh;R Bjerknes;P Christiansen

  • Vitamin D receptor and vitamin D metabolizing enzymes are expressed in the human male reproductive tract

    Martin Blomberg Jensen;John E Nielsen;Anne Jørgensen;Ewa Rajpert-De Meyts

  • Is human fecundity declining

    Niels E Skakkebaek;Niels Jørgensen;Katharina M Main;Ewa Rajpert-De Meyts

  • East–West gradient in semen quality in the Nordic–Baltic area: a study of men from the general population in Denmark, Norway, Estonia and Finland

    Niels Jørgensen;Elisabeth Carlsen;Ingrid Nermoen;Margus Punab

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

    R. Slama;F. Eustache;B. Ducot;T.K. Jensen

  • Association of In Utero Exposure to Maternal Smoking with Reduced Semen Quality and Testis Size in Adulthood: A Cross-Sectional Study of 1,770 Young Men from the General Population in Five European Countries

    Tina Kold Jensen;Niels Jørgensen;Margus Punab;Trine B. Haugen

  • Human semen quality in the new millennium: a prospective cross-sectional population-based study of 4867 men

    Niels Jørgensen;Ulla Nordström Joensen;Tina Kold Jensen;Martin Blomberg Jensen

  • Cryptorchidism: classification, prevalence and long‐term consequences

    Helena E Virtanen;Robert Bjerknes;Dina Cortes;Niels Jørgensen

  • Impaired Leydig Cell Function in Infertile Men: A Study of 357 Idiopathic Infertile Men and 318 Proven Fertile Controls

    A.-M. Andersson;N. Jørgensen;L. Frydelund-Larsen;E. Rajpert-De Meyts

  • Effects of Viruses on Nutrient Turnover and Growth Efficiency of Noninfected Marine Bacterioplankton

    M. Middelboe;N. O. G. Jørgensen;N. Kroer

  • Vitamin D is positively associated with sperm motility and increases intracellular calcium in human spermatozoa

    Martin Blomberg Jensen;Poul J. Bjerrum;Torben E. Jessen;John E. Nielsen

  • Germ cell cancer and disorders of spermatogenesis: An environmental connection?

    Niels E. Skakkebék;Ewa Rajpert-De Meyts;Niels Jørgensen;Elisabeth Carlsen

Frequent Co-Authors

Niels E. Skakkebæk
Niels E. Skakkebæk University of Copenhagen
Tina Kold Jensen
Tina Kold Jensen University of Southern Denmark
Anders Juul
Anders Juul University of Copenhagen
Anna-Maria Andersson
Anna-Maria Andersson University of Copenhagen
Jørgen Holm Petersen
Jørgen Holm Petersen University of Copenhagen
Jorma Toppari
Jorma Toppari University of Turku
Ewa Rajpert-De Meyts
Ewa Rajpert-De Meyts University of Copenhagen
Jorge E. Chavarro
Jorge E. Chavarro Harvard University
Katharina M. Main
Katharina M. Main University of Copenhagen
Shanna H. Swan
Shanna H. Swan Icahn School of Medicine at Mount Sinai

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

If you’re considering studying Medicine in the USA, there are several online degree programs and career pathways that can complement or expand your options in the healthcare sector. Many students who are interested in clinical or administrative roles pursue specialized programs to advance their careers while maintaining a flexible schedule.

For licensed nurses aiming to become nurse practitioners, adn to np programs online offer a seamless bridge to advanced roles without disrupting work commitments. If your interest leans towards nutrition and preventive health, earning a nutrition bachelor degree online can prepare you for roles in dietetics, wellness coaching, or research.

Those looking to move into healthcare management should explore top cahme-accredited mha programs, which provide rigorous, industry-recognized training in leadership and administration. Additionally, working RNs who wish to further their education efficiently may benefit from rn to bsn online no clinicals, allowing for career advancement with a flexible, clinical-free path.

Exploring these degree options can help you find the right fit for your professional goals and accelerate your pathway in the ever-growing healthcare field.

Best Scientists Citing Niels Jørgensen

Trending Scientists

Recently Published Articles