World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
92
Citations
31455
World Ranking
11295
National Ranking
455

John Kingdom 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 John Kingdom 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: 516 publications — 60th percentile

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

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

John Kingdom 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 John Kingdom 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: 92 D-Index — 45th percentile

45% of scientists in this discipline score the same or lower.

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

Overview

John Kingdom is affiliated with the University of Toronto in Canada and has contributed extensively to the field of Medicine, with a focus on Obstetrics and Gynecology. Their work encompasses a range of topics related to maternal and fetal healthcare, particularly in pregnancy and preeclampsia studies.

The scientist's research covers several main topics including:

  • Pregnancy and preeclampsia studies
  • Maternal and fetal healthcare
  • Birth, Development, and Health
  • Gestational Diabetes Research and Management
  • Maternal and Perinatal Health Interventions
  • Prenatal Screening and Diagnostics
  • Ectopic Pregnancy Diagnosis and Management

John Kingdom has published in numerous respected academic venues, frequently contributing to:

  • Journal of Obstetrics and Gynaecology Canada
  • American Journal of Obstetrics and Gynecology
  • Placenta
  • Ultrasound in Obstetrics and Gynecology
  • International Journal of Gynecology & Obstetrics

Their collaboration network includes frequent co-authors such as:

  • Sebastian R. Hobson
  • Christopher K. Macgowan
  • Nir Melamed
  • Rory Windrim
  • Ahmet Baschat

Among the recent publications associated with John Kingdom are:

  • "Pre-eclampsia," 2021, The Lancet
  • "FIGO (International Federation of Gynecology and Obstetrics) initiative on fetal growth: Best practice advice for screening, diagnosis, and management of fetal growth restriction," 2021, International Journal of Gynecology & Obstetrics
  • "ISUOG Practice Guidelines (updated): use of Doppler velocimetry in obstetrics," 2021, Ultrasound in Obstetrics and Gynecology
  • "The diagnosis and management of suspected fetal growth restriction: an evidence-based approach," 2022, American Journal of Obstetrics and Gynecology
  • "Minimizing surgical blood loss at cesarean hysterectomy for placenta previa with evidence of placenta increta or placenta percreta: the state of play in 2020," 2020, American Journal of Obstetrics and Gynecology

Their scholarly output demonstrates a sustained focus on clinical and evidence-based approaches to pregnancy-related complications and fetal health monitoring, with particular attention to preeclampsia, fetal growth restriction, and obstetric surgical techniques.

Best Publications

  • Rheological and Physiological Consequences of Conversion of the Maternal Spiral Arteries for Uteroplacental Blood Flow during Human Pregnancy

    G.J. Burton;A.W. Woods;E. Jauniaux;J.C.P. Kingdom

  • Oxygen and placental villous development: origins of fetal hypoxia.

    J.C.P. Kingdom;P. Kaufmann

  • Development of the placental villous tree and its consequences for fetal growth

    John Kingdom;Berthold Huppertz;Gareth Seaward;Peter Kaufmann

  • Reduced Fetal Cerebral Oxygen Consumption Is Associated With Smaller Brain Size in Fetuses With Congenital Heart Disease

    Liqun Sun;Liqun Sun;Christopher K. Macgowan;John G. Sled;Shi Joon Yoo

  • Intrauterine growth restriction with absent end-diastolic flow velocity in the umbilical artery is associated with maldevelopment of the placental terminal villous tree

    Christiane Krebs;Lena M. Macara;Rudolf Leiser;Adrian W. Bowman

  • ISUOG Practice Guidelines: diagnosis and management of small‐for‐gestational‐age fetus and fetal growth restriction

    C. C. Lees;C. C. Lees;C. C. Lees;T. Stampalija;A. A. Baschat;F. da Silva Costa;F. da Silva Costa

  • Structural analysis of placental terminal villi from growth-restricted pregnancies with abnormal umbilical artery doppler waveforms

    L. Macara;J.C.P. Kingdom;J.C.P. Kingdom;P. Kaufmann;G. Kohnen

  • Apoptosis and its role in the trophoblast.

    Berthold Huppertz;Mamed Kadyrov;John C.P. Kingdom

  • Placenta Praevia and Placenta Accreta: Diagnosis and Management: Green-top Guideline No. 27a.

    Erm Jauniaux;Z Alfirevic;A G Bhide;M A Belfort

  • Low Molecular Weight Heparin and Aspirin for Recurrent Pregnancy Loss: Results from the Randomized, Controlled HepASA Trial

    Carl A. Laskin;Karen A. Spitzer;Christine A. Clark;Mark R. Crowther

  • Placental diagnostic criteria and clinical correlation--a workshop report

    R.W. Redline;D. Heller;S. Keating;J. Kingdom

  • Apoptosis in the Trophoblast—Role of Apoptosis in Placental Morphogenesis

    Berthold Huppertz;John C. P. Kingdom;John C. P. Kingdom

  • Increased expression of sFlt-1 in in vivo and in vitro models of human placental hypoxia is mediated by HIF-1.

    Ori Nevo;Nima Soleymanlou;Yuan Wu;Jing Xu

  • Macrophage-induced apoptosis limits endovascular trophoblast invasion in the uterine wall of preeclamptic women.

    Frank Reister;Frank Reister;Hans-Georg Frank;John C P Kingdom;Wolfgang Heyl

  • Genes, Development and Evolution of the Placenta

    J.C Cross;D Baczyk;N Dobric;M Hemberger

  • Causes and Mechanisms of Intrauterine Hypoxia and Its Impact on the Fetal Cardiovascular System: A Review

    Damian Hutter;John Kingdom;Edgar Jaeggi

  • The importance of the level of maternal anti-Ro/SSA antibodies as a prognostic marker of the development of cardiac neonatal lupus erythematosus a prospective study of 186 antibody-exposed fetuses and infants.

    Edgar Jaeggi;Carl Laskin;Robert Hamilton;John Kingdom

  • Oxytocin requirements at elective cesarean delivery: a dose-finding study.

    José C. A. Carvalho;Mrinalini Balki;John Kingdom;Rory Windrim

  • FIGO (international Federation of Gynecology and obstetrics) initiative on fetal growth: best practice advice for screening, diagnosis, and management of fetal growth restriction

    Nir Melamed;Ahmet Baschat;Yoav Yinon;Apostolos Athanasiadis

  • Developmental biology of the placenta and the origins of placental insufficiency.

    Vandana Chaddha;Sandra Viero;Sandra Viero;Berthold Huppertz;John Kingdom;John Kingdom

Frequent Co-Authors

John G. Sled
John G. Sled University of Toronto
Stephen J. Lye
Stephen J. Lye University of Toronto
Graham J. Burton
Graham J. Burton University of Cambridge
David Chitayat
David Chitayat University of Toronto
Prakesh S. Shah
Prakesh S. Shah University of Toronto
Steven P. Miller
Steven P. Miller University of Toronto
Gordon C. S. Smith
Gordon C. S. Smith University of Cambridge
Eric Jauniaux
Eric Jauniaux University College London
Earl D. Silverman
Earl D. Silverman University of Toronto
James C. Cross
James C. Cross University of Calgary

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