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John O’Brien

John O’Brien publishes mostly in Epidemiology, Pediatrics, Perinatology and Child Health and Obstetrics and Gynecology, on topics such as Preterm Birth and Chorioamnionitis, Gestational Diabetes Research and Management and Maternal Mental Health During Pregnancy and Postpartum.

World rank
#889,916
of 1,633,909 ranked researchers
Rank in United States
#245,173
of 358,040
Works
33
Citations
31
Citations per work
0.9

What does John O’Brien research?

Epidemiology: 21.2%Pediatrics, Perinatology and Child Health: 18.2%Obstetrics and Gynecology: 18.2%Public Health, Environmental and Occupational Health: 15.2%other fields: 27.2%21%top field
Epidemiology21.2%Pediatrics, Perinatology and Child Health18.2%Obstetrics and Gynecology18.2%Public Health, Environmental and Occupational Health15.2%other fields27.2%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Epidemiology21% of their works
  2. 2Pediatrics, Perinatology and Child Health18% of their works
  3. 3Obstetrics and Gynecology18% of their works
  4. 4Public Health, Environmental and Occupational Health15% of their works
  5. 5Cardiology and Cardiovascular Medicine6% of their works
  6. 6Surgery3% of their works

Research topics

Which keywords describe John O’Brien's research?

The keywords of their largest research topics: Inflammation, Metabolic Syndrome, Preterm Birth, Gestational Diabetes Mellitus, Maternal Obesity, Maternal Mental Health, Perinatal Depression and Early-Life Conditions.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 17 words, with their numbers
  1. Inflammation61 topic
  2. Metabolic Syndrome62 topics
  3. Preterm Birth61 topic
  4. Gestational Diabetes Mellitus41 topic
  5. Maternal Obesity41 topic
  6. Maternal Mental Health31 topic
  7. Perinatal Depression31 topic
  8. Early-Life Conditions21 topic
  9. Fetal Alcohol Syndrome21 topic
  10. Fetal Programming21 topic
  11. Pelvic Girdle Pain21 topic
  12. Prenatal Alcohol Exposure21 topic
  13. Relaxin21 topic
  14. Decidual NK Cells11 topic
  15. Regulatory T Cells11 topic
  16. Reproductive Loss11 topic
  17. Uterine Disease11 topic

Where does John O’Brien work?

John O’Brien's main affiliation in the publication record is University of Kentucky, United States.

How many publications and citations does John O’Brien have?

Science Explorer counts 33 works and 31 citations for John O’Brien, ranking #889,916 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Other researchers named John O’Brien

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