World's Best Scientists 2026 revealed!
Mary J. O'Sullivan

Mary J. O'Sullivan

D-Index & Metrics

Medicine

D-Index
97
Citations
54534
World Ranking
9081
National Ranking
4683

Mary J. O'Sullivan 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 Mary J. O'Sullivan 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: 610 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: 325 publications — 22nd percentile

22% of scientists in this discipline score the same or lower.

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

Mary J. O'Sullivan 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 Mary J. O'Sullivan 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: 399 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: 97 D-Index — 55th percentile

55% of scientists in this discipline score the same or lower.

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

Overview

Mary J. O'Sullivan is affiliated with the University of Miami in the United States. Their research focus lies primarily within the field of Medicine, with specific attention to subfields including Obstetrics and Gynecology, Cardiology and Cardiovascular Medicine, Surgery, and Pediatrics, Perinatology and Child Health.

The scientist's main topics of study encompass a range of issues related to pregnancy and cardiovascular health. These topics include:

  • Gestational Diabetes Research and Management
  • Cardiovascular Issues in Pregnancy
  • Pregnancy and Preeclampsia Studies
  • Congenital Diaphragmatic Hernia Studies
  • Prenatal Screening and Diagnostics

Mary J. O'Sullivan has contributed to several papers published in the venue UNC Libraries, a frequent publication platform for their work. Recent publications include:

  • Gene-environment interactions and obesity traits among postmenopausal African-American and Hispanic women in the Women's Health Initiative SHARe Study, 2020, UNC Libraries
  • The effect of 17-alpha hydroxyprogesterone caproate on the risk of gestational diabetes in singleton or twin pregnancies, 2020, UNC Libraries
  • Placental villous hypermaturation is associated with idiopathic preterm birth, 2020, UNC Libraries

The scientist collaborates regularly with several coauthors, which indicates a focus on multidisciplinary research efforts. Frequent coauthors include:

  • Dwight J. Rouse
  • Alan M. Peaceman
  • Catherine Y. Spong
  • Baha M. Sibai
  • Brian M. Mercer

The combination of research topics and coauthors reflects a focus on pregnancy-related complications and cardiovascular issues, with a notable emphasis on gestational diabetes and prenatal factors linked to maternal and fetal health outcomes.

Best Publications

  • Reduction of maternal-infant transmission of human immunodeficiency virus type 1 with zidovudine treatment. Pediatric AIDS Clinical Trials Group Protocol 076 Study Group.

    Edward M. Connor;Rhoda S. Sperling;Richard Gelber;Pavel Kiselev

  • Effects of conjugated equine estrogen in postmenopausal women with hysterectomy: the Women's Health Initiative randomized controlled trial

    Garnet L. Anderson;Marian C. Limacher;Annlouise R. Assaf;Tamsen Bassford

  • Reduction of maternal-infant transmission of human immunodeficiency virus 1 with zidovudine treatment

    Edward M. Connor;Rhoda S. Sperling;Richard Gelber;Pavel Kiselev

  • Calcium plus vitamin D supplementation and the risk of fractures.

    Rebecca D. Jackson;Andrea Z. LaCroix;Margery Gass;Robert B. Wallace

  • Maternal morbidity associated with multiple repeat cesarean deliveries

    Robert M. Silver;Mark B. Landon;Dwight J. Rouse;Kenneth J. Leveno

  • Prevention of recurrent preterm delivery by 17 alpha-hydroxyprogesterone caproate

    Paul J. Meis;Mark Klebanoff;Elizabeth Thom;Mitchell P. Dombrowski

  • Maternal and Perinatal Outcomes Associated With a Trial of Labor After Prior Cesarean Delivery

    Mark B. Landon;John C. Hauth;Kenneth J. Leveno;Catherine Y. Spong

  • Menopausal hormone therapy and health outcomes during the intervention and extended poststopping phases of the women's health initiative randomized trials

    Jo Ann E. Manson;Rowan T. Chlebowski;Marcia L. Stefanick;Aaron K. Aragaki

  • Calcium plus Vitamin D Supplementation and the Risk of Colorectal Cancer

    Jean Wactawski-Wende;Jane Morley Kotchen;Garnet L. Anderson;Annlouise R. Assaf;Annlouise R. Assaf

  • Timing of Elective Repeat Cesarean Delivery at Term and Neonatal Outcomes

    Alan T N Tita;Mark B. Landon;Catherine Y. Spong;Yinglei Lai

  • Maternal Viral Load, Zidovudine Treatment, and the Risk of Transmission of Human Immunodeficiency Virus Type 1 from Mother to Infant

    Rhoda S. Sperling;David E. Shapiro;Robert W. Coombs;John A. Todd

  • Metronidazole to prevent preterm delivery in pregnant women with asymptomatic bacterial vaginosis

    J. Christopher Carey;Mark A. Klebanoff;John C. Hauth;Sharon L. Hillier

  • Comparative Effects of Therapy With Captopril and Digoxin in Patients With Mild to Moderate Heart Failure

    Jay Cohn;Morton Hawkins;Herbert Levine;John Naughton

  • A randomized, controlled trial of magnesium sulfate for the prevention of cerebral palsy

    Dwight J. Rouse;Deborah G. Hirtz;Elizabeth Thom;Michael W. Varner

  • The mode of delivery and the risk of vertical transmission of human immunodeficiency virus type 1--a meta-analysis of 15 prospective cohort studies.

    W. Andiman;M. Boucher;D. Burns;Y. Bryson

  • Type and timing of menopausal hormone therapy and breast cancer risk: individual participant meta-analysis of the worldwide epidemiological evidence

    N. Hamajima;K. Hirose;K. Tajima;T. Rohan

  • Calcium Plus Vitamin D Supplementation and the Risk of Breast Cancer

    Rowan T Chlebowski;Karen C Johnson;Charles Kooperberg;Mary Pettinger

  • The MFMU Cesarean Registry: Factors affecting the success of trial of labor after previous cesarean delivery

    Mark B. Landon;Sharon Leindecker;Catherine Y. Spong;John C. Hauth

  • Insulin action during pregnancy. Studies with the euglycemic clamp technique

    Edmond A Ryan;Mary Jo O'Sullivan;Jay S Skyler

  • Antiretroviral therapy during pregnancy and the risk of an adverse outcome

    Ruth E. Tuomala;David E. Shapiro;Lynne M. Mofenson;Yvonne Bryson

Frequent Co-Authors

Menachem Miodovnik
Menachem Miodovnik National Institutes of Health
Ronald J. Wapner
Ronald J. Wapner Columbia University
Catherine Y. Spong
Catherine Y. Spong The University of Texas Southwestern Medical Center
Brian M. Mercer
Brian M. Mercer Case Western Reserve University
Steve N. Caritis
Steve N. Caritis University of Pittsburgh
Michael W. Varner
Michael W. Varner University of Utah
Dwight J. Rouse
Dwight J. Rouse Brown University
Yoram Sorokin
Yoram Sorokin Wayne State University
John M. Thorp
John M. Thorp University of North Carolina at Chapel Hill
Mark B. Landon
Mark B. Landon The Ohio State University

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