Oladapo O. Olayemi

University of Ibadan

Publishing since 2002, latest 2026

Pediatrics, Perinatology and Child Health
Obstetrics and Gynecology
Public Health, Environmental and Occupational Health
General Health Professions
Biochemistry
Epidemiology

Publications: 272002–2026
Citations: 383to those papers
h-index: 10i10-index 10
Field-weighted impact: 3.261.00 is the world average
World top 10%: 30%8 of 27 scored papers
Open access: 93%25 papers free to read

12 other works — preprints, datasets and the like — are listed but not counted.

By year

Papers, and the citations to them

Publications, left axisCitations to that year’s papers, right axis2026 still in progress

Career

On their papers

Every institution they have given on a paper.

Publications

27 in all

Early assessment of maternal bleeding: development and validation of a prognostic model predicting death and near miss
2026The Lancet Global HealthJournalOpen access1 citation10.1016/s2214-109x(25)00488-7
Severity of maternal anemia and the risk of giving birth to a small vulnerable newborn: A cohort analysis of the WOMAN ‐2 trial in four countries

Download CV:PDFWord

Citations received each year

Peerford

To all their work, old papers included. Google Scholar also counts citations from theses, books and web pages, so its line runs higher.

What they work on

From the classification of each paper

Subfields

Pediatrics, Perinatology and Child Health1763%
Obstetrics and Gynecology830%
Public Health, Environmental and Occupational Health830%
General Health Professions519%
Biochemistry311%
Epidemiology311%
Microbiology311%
Clinical Psychology27%
Critical Care and Intensive Care Medicine27%
Genetics27%

Health Sciences
Life Sciences
Social Sciences

Topics most written on

Global Maternal and Child Health10
Maternal and fetal healthcare6
Adolescent Sexual and Reproductive Health5
Maternal and Perinatal Health Interventions5
Reproductive Health and Contraception4
Blood transfusion and management3
Reproductive tract infections research3
Assisted Reproductive Technology and Twin Pregnancy2
Blood donation and transfusion practices2
Hemoglobinopathies and Related Disorders2
HIV/AIDS Research and Interventions2
Pregnancy and preeclampsia studies2

Who they write with

Their most frequent co-authors, and the papers those co-authors share

Where their co-authors are

67% of their papers have a co-author abroad

papers co-written1234567Home

Most frequent partner countries

United Kingdom8
Pakistan8
Ethiopia6
Tanzania6
United States4
Switzerland3
France3
Uganda3

Papers with at least one author in that country.

Institutions written with most

University College Hospital, IbadanNG10 papers
London School of Hygiene & Tropical MedicineGB8 papers
Shifa Tameer-e-Millat UniversityPK7 papers
Pan African University Institute of Life and Earth SciencesNG7 papers
Pan-Atlantic UniversityNG6 papers
Muhimbili University of Health and Allied SciencesTZ4 papers
St. Paul's Hospital Millennium Medical CollegeET4 papers
University of Dar es SalaamTZ3 papers
The University of MelbourneAU2 papers
Centre Hospitalier Universitaire de BordeauxFR2 papers

Where they publish

African Journal of Reproductive Health2
International Journal of Gynecology & Obstetrics2
PLoS ONE2
PubMed2
African Journal of Midwifery and Women s Health1
BMC Women s Health1
BMJ Open

Development goals addressed

From each paper’s title and abstract

3Good health and well-being12
5Gender equality3
1No poverty2
2Zero hunger2

Most cited

Changes in preterm birth and stillbirth during COVID-19 lockdowns in 26 countries
Nature Human Behaviour3
2023126 citationsWorld top 10%Open access · Hybrid
Tranexamic acid for postpartum bleeding: a systematic review and individual patient data meta-analysis of randomised controlled trials
The Lancet2
202463 citationsWorld top 10%Open access · Hybrid

International Journal of Gynecology & Obstetrics

Healthcare providers knowledge and attitudes toward abortion care in Ibadan, Nigeria

2025International Journal of Reproduction Contraception Obstetrics and GynecologyJournalOpen accessSenior author2 citations10.18203/2320-1770.ijrcog20250848

IMPACT OF OCCUPATIONAL STRESS ON DIETARY PATTERN AND HEALTH STATUS OF BANK STAFFERS IN BIDA, NIGER STATE, NIGERIA

2025International Journal of African Research Sustainability StudiesJournalOpen accessSenior author0 citations10.70382/caijarss.v8i2.017

The effect of maternity waiting homes on pregnancy outcomes in West Gojjam, northwest Ethiopia

2022African Journal of Midwifery and Women s HealthJournalOpen access2 citations10.12968/ajmw.2022.0005

Maternal Haematocrit and Pregnancy Outcome in Nigerian Women

2003West African Medical JournalJournalSenior author6 citations

Effects of caesarean section on the perinatal outcome in Singleton Breech deliveries in Ibadan

2002Nigerian Journal of Clinical PracticeJournalOpen accessFirst author1 citation10.4314/njcp.v5i1.11084

Frontiers in Medicine1

How it can be read

93% free to read

Diamond 3 · 11%Free to read and to publish
Gold 12 · 44%In an open-access journal
Hybrid 5 · 19%Open in a subscription journal
Green 5 · 19%A copy in a repository
Closed 2 · 7%Behind a paywall

Who funds it

13 of 27 papers name a funder

Bill and Melinda Gates Foundation7
Wellcome Trust6
African Union4
African Union Commission4
Institute for Life and Earth Sciences, Pan African University4
Medical Research Council3
Pan African University3
National Institute for Health and Care Research2

Patterns and predictors of self-medication amongst antenatal clients in Ibadan, Nigeria

Nigerian Medical Journal3

201137 citationsOpen access · Diamond

Incidence, Bacterial Profile and Predictors of Surgical Site Infection After Cesarean Section in Ethiopia, A Prospective Cohort Study

International Journal of Women s Health3

202323 citationsWorld top 10%Open access · Gold

Acceptability of counselling and testing for HIV infection in women in labour at the University College Hospital, Ibadan, Nigeria.

PubMed1

201122 citationsOpen access · Green