World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
117
Citations
53692
World Ranking
4196
National Ranking
47

Jorma Toppari 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 Jorma Toppari 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.

Jorma Toppari 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 Jorma Toppari 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: 117 D-Index — 80th percentile

80% of scientists in this discipline score the same or lower.

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

Overview

Jorma Toppari is affiliated with the University of Turku in Finland and has a research profile spanning multiple fields related to medicine and molecular biology. Their work encompasses both broad and specialized areas, contributing extensively to the understanding of endocrinology, diabetes, genetics, and reproductive medicine.

Their main fields of study are Medicine and Biochemistry, Genetics and Molecular Biology, with subfields including Genetics, Endocrinology, Diabetes and Metabolism, Surgery, Public Health, Environmental and Occupational Health, and Reproductive Medicine.

The primary topics covered in their research include:

  • Diabetes and associated disorders
  • Pancreatic function and diabetes
  • Diabetes Management and Research
  • Celiac Disease Research and Management
  • Sperm and Testicular Function
  • Digestive system and related health
  • Testicular diseases and treatments

Jorma Toppari has contributed publications in a variety of frequent venues. These include:

  • Diabetes Care
  • The Journal of Clinical Endocrinology & Metabolism
  • Diabetologia
  • Diabetes
  • Frontiers in Endocrinology

Some notable recent papers by Toppari comprise:

  • European Academy of Andrology (EAA) guidelines on investigation, treatment and monitoring of functional hypogonadism in males, 2020, Andrology
  • European academy of andrology guidelines on Klinefelter Syndrome Endorsing Organization: European Society of Endocrinology, 2020, Andrology
  • A combined risk score enhances prediction of type 1 diabetes among susceptible children, 2020, Nature Medicine
  • Hypogonadism and Cryptorchidism, 2020, Frontiers in Endocrinology
  • Epigenetic inheritance of diet-induced and sperm-borne mitochondrial RNAs, 2024, Nature

Frequent collaborators in their research include:

  • Riitta Veijola
  • Mikael Knip
  • Jorma Ilonen
  • William Hagopian
  • Åke Lernmark

Best Publications

  • EDC-2: The Endocrine Society's Second Scientific Statement on Endocrine-Disrupting Chemicals

    A. C. Gore;V. A. Chappell;S. E. Fenton;J. A. Flaws

  • 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

  • Temporal development of the gut microbiome in early childhood from the TEDDY study

    Christopher J. Stewart;Christopher J. Stewart;Nadim J. Ajami;Jacqueline L. O’Brien;Diane S. Hutchinson

  • 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

  • The human gut microbiome in early-onset type 1 diabetes from the TEDDY study

    Tommi Vatanen;Eric A. Franzosa;Eric A. Franzosa;Randall Schwager;Surya Tripathi

  • 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

  • Executive Summary to EDC-2: The Endocrine Society's Second Scientific Statement on Endocrine-Disrupting Chemicals

    A. C. Gore;V. A. Chappell;S. E. Fenton;J. A. Flaws

  • Difference in prevalence of congenital cryptorchidism in infants between two Nordic countries.

    Boisen Ka;Kaleva M;Main Km;Virtanen He

  • Regional differences in semen quality in Europe.

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

  • Public Health Implications of Altered Puberty Timing

    Mari S Golub;Gwen W Collman;Paul M D Foster;Carole A Kimmel

  • The 6 year incidence of diabetes-associated autoantibodies in genetically at-risk children: the TEDDY study.

    Jeffrey P. Krischer;Kristian F. Lynch;Desmond A. Schatz;Jorma Ilonen;Jorma Ilonen

  • Flame retardants in placenta and breast milk and cryptorchidism in newborn boys.

    Katharina Maria Main;Hannu Kiviranta;Helena Eeva Virtanen;Erno Sundqvist

  • Longitudinal Reproductive Hormone Profiles in Infants: Peak of Inhibin B Levels in Infant Boys Exceeds Levels in Adult Men

    Anna-Maria Andersson;Jorma Toppari;Anne-Maarit Haavisto;Jørgen H. Petersen

  • Environmental Factors and Puberty Timing: Expert Panel Research Needs

    Germaine M. Buck Louis;L. Earl Gray;Michele Marcus;Sergio R. Ojeda

  • Nordic consensus on treatment of undescended testes

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

  • 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

  • Paracrine regulation of mammalian oocyte maturation and male germ cell survival.

    Kazuhiro Kawamura;Jin Kumagai;Satoko Sudo;Sang-Young Chun

Frequent Co-Authors

Jorma Ilonen
Jorma Ilonen University of Turku
Riitta Veijola
Riitta Veijola Oulu University Hospital
Mikael Knip
Mikael Knip University of Helsinki
Niels E. Skakkebæk
Niels E. Skakkebæk University of Copenhagen
Jeffrey P. Krischer
Jeffrey P. Krischer University of South Florida
Marian Rewers
Marian Rewers University of Colorado Denver
William Hagopian
William Hagopian University of Washington
Suvi M. Virtanen
Suvi M. Virtanen Tampere University
Anette-G. Ziegler
Anette-G. Ziegler Technical University of Munich
Katharina M. Main
Katharina M. Main University of Copenhagen

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