2026 John M. Thorp: Medicine Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Medicine	107	6224	5856	3318	3078	599	44304

John M. Thorp 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 M. Thorp sits on this spectrum.

101 publications 1,796+

This scientist: 599 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

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

John M. Thorp 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 M. Thorp sits on this spectrum.

70 D-Index 217+

This scientist: 107 D-Index — 70th percentile

70% of scientists in this discipline score the same or lower.

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

Overview

John M. Thorp is affiliated with the University of North Carolina at Chapel Hill in the United States. Their research primarily focuses on the field of Medicine, with a particular concentration in Pediatrics, Perinatology and Child Health, and Obstetrics and Gynecology. Additional areas of study include Public Health, Environmental and Occupational Health, Epidemiology, and Pulmonary and Respiratory Medicine.

Their work covers several main topics related to maternal and child health, including:

Pregnancy and preeclampsia studies
Birth, Development, and Health
Gestational Diabetes Research and Management
Maternal and Perinatal Health Interventions
Maternal and fetal healthcare
Neonatal Respiratory Health Research
Infant Development and Preterm Care

Thorp has contributed to numerous publications, with frequent appearances in the following venues:

UNC Libraries
American Journal of Perinatology
Obstetrics and Gynecology
BJOG An International Journal of Obstetrics & Gynaecology
American Journal of Obstetrics and Gynecology

They have collaborated extensively with other researchers, often co-authoring papers with:

Dwight J. Rouse
Ronald J. Wapner
Michael W. Varner
George R. Saade
Yoram Sorokin

Representative recent publications by Thorp include:

Association of SARS-CoV-2 Infection With Serious Maternal Morbidity and Mortality From Obstetric Complications, 2022, JAMA
Prediction of vaginal birth after cesarean delivery in term gestations: a calculator without race and ethnicity, 2021, American Journal of Obstetrics and Gynecology
Tranexamic Acid to Prevent Obstetrical Hemorrhage after Cesarean Delivery, 2023, New England Journal of Medicine
Race, the Vaginal Microbiome, and Spontaneous Preterm Birth, 2022, mSystems
Health resource utilization of labor induction versus expectant management, 2020, American Journal of Obstetrics and Gynecology

Best Publications

A Multicenter, Randomized Trial of Treatment for Mild Gestational Diabetes

M.B. Landon;C.Y. Spong;E. Thom;M.W. Carpenter

2563
Citations
Maternal morbidity associated with multiple repeat cesarean deliveries

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

2171
Citations
Prevention of recurrent preterm delivery by 17 alpha-hydroxyprogesterone caproate

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

1840
Citations
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

1760
Citations
Timing of Elective Repeat Cesarean Delivery at Term and Neonatal Outcomes

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

1175
Citations
Antenatal Betamethasone for Women at Risk for Late Preterm Delivery

C. Gyamfi-Bannerman;E. A. Thom;S. C. Blackwell;A. T N Tita

783
Citations
A randomized, controlled trial of magnesium sulfate for the prevention of cerebral palsy

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

751
Citations
Outcomes of routine episiotomy: a systematic review.

Katherine Hartmann;Meera Viswanathan;Rachel Palmieri;Gerald Gartlehner

692
Citations
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

532
Citations
Comparison of pregnancy dating by last menstrual period, ultrasound scanning, and their combination.

David A. Savitz;James W. Terry;Nancy Dole;John M. Thorp

520
Citations
Vitamins C and E to prevent complications of pregnancy-associated hypertension

James M. Roberts;Leslie Myatt;Catherine Y. Spong;Elizabeth A. Thom

501
Citations
Epidemiologic characteristics of preterm delivery: etiologic heterogeneity.

David A. Savitz;Cheryl A. Blackmore;John M. Thorp

499
Citations
Preterm neonatal morbidity and mortality by gestational age: A contemporary cohort

Tracy A. Manuck;Madeline Murguia Rice;Jennifer L. Bailit;William A. Grobman

494
Citations
Treatment of Subclinical Hypothyroidism or Hypothyroxinemia in Pregnancy

B. M. Casey;E. A. Thom;A. M. Peaceman;M. W. Varner

483
Citations
Fetal fibronectin as a predictor of preterm birth in patients with symptoms: a multicenter trial.

A. M. Peaceman;W. W. Andrews;J. M. Thorp;S. P. Cliver

456
Citations
Development of a nomogram for prediction of vaginal birth after cesarean delivery.

William A. Grobman;Yinglei Lai;Mark B. Landon;Catherine Y. Spong

452
Citations
A trial of 17 alpha-hydroxyprogesterone caproate to prevent prematurity in twins.

Dwight J. Rouse;Steve N. Caritis;Alan M. Peaceman;Anthony Sciscione

446
Citations
Long-Term Outcomes After Repeat Doses of Antenatal Corticosteroids

Ronald J. Wapner;Yoram Sorokin;Lisa Mele;Francee Johnson

428
Citations
Prevalence of Low Sexual Desire and Hypoactive Sexual Desire Disorder in a Nationally Representative Sample of US Women

Suzanne L. West;Aimee A. D’Aloisio;Robert P. Agans;William D. Kalsbeek

354
Citations
Antenatal betamethasone for women at risk for late preterm delivery

Cynthia Gyamfi-Bannerman;Elizabeth A. Thom;Sean C. Blackwell;Alan T N Tita

116
Citations

Frequent Co-Authors

Ronald J. Wapner Columbia University

Dwight J. Rouse Brown University

Brian M. Mercer Case Western Reserve University

Yoram Sorokin Wayne State University

Michael W. Varner University of Utah

Catherine Y. Spong The University of Texas Southwestern Medical Center

Susan M. Ramin The University of Texas Health Science Center at Houston

Steve N. Caritis University of Pittsburgh

George R. Saade The University of Texas Medical Branch at Galveston

Jay D. Iams The Ohio State University

External Links

Personal website of John M. Thorp

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