John I. Ikimalo

University of Port Harcourt

Also at University of Port Harcourt Teaching Hospitalfrom their recent papers

Publishing since 1995, latest 2026

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

Publications: 261995–2026
Citations: 310to those papers
h-index: 8i10-index 6
Field-weighted impact: 2.041.00 is the world average
World top 10%: 12%3 of 26 scored papers
Open access: 69%18 papers free to read

3 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

26 in all

Medical education in sub-Saharan Africa: challenges and prospects using the first private medical university in Nigeria as a case-study
2026Postgraduate Medical JournalJournalSenior author0 citations10.1093/postmj/qgag051
Prevalence and determinants of intimate partner violence in pregnancy: a multicentre, binational study
2025BMC Pregnancy and Childbirth

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

Public Health, Environmental and Occupational Health727%
Obstetrics and Gynecology623%
Pediatrics, Perinatology and Child Health623%
Emergency Medicine312%
Epidemiology312%
General Health Professions312%
Microbiology312%
Reproductive Medicine312%
Health28%
Molecular Biology28%

Health Sciences
Life Sciences
Social Sciences

Topics most written on

Maternal and fetal healthcare4
Global Health and Surgery3
Global Maternal and Child Health3
Reproductive tract infections research3
Trauma and Emergency Care Studies3
Adolescent Sexual and Reproductive Health2
COVID-19 Impact on Reproduction2
Reproductive Health and Technologies2
Sperm and Testicular Function2
Uterine Myomas and Treatments2
Autopsy Techniques and Outcomes1
Bacillus and Francisella bacterial research1

Who they write with

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

Where their co-authors are

46% of their papers have a co-author abroad

papers co-written1234456Home

Most frequent partner countries

United Kingdom7
Ghana3
United States3
Bangladesh1
Pakistan1
Zambia1

Papers with at least one author in that country.

Institutions written with most

University of Port Harcourt Teaching HospitalNG19 papers
Obafemi Awolowo University Teaching Hospitals ComplexNG8 papers
Obafemi Awolowo UniversityNG7 papers
Federal Medical CentreNG4 papers
Liverpool School of Tropical MedicineGB3 papers
International Federation of Gynaecology and ObstetricsGB3 papers
Rivers State UniversityNG3 papers
Federal Medical CentreNG3 papers
University of Health and Allied SciencesGH2 papers
Federal University of Technology OwerriNG2 papers

Where they publish

PubMed4
International Journal of Gynecology & Obstetrics3
Greener Journal of Medical Sciences2
Tropical Journal of Obstetrics and Gynaecology2
Acta Paediatrica1
BMC Pregnancy and Childbirth1
BMJ

Development goals addressed

From each paper’s title and abstract

3Good health and well-being9
1No poverty3
2Zero hunger2
17Partnerships for the goals2
5Gender equality1

Most cited

Reproductive tract infections and abortion among adolescent girls in rural Nigeria
The Lancet3
1995150 citationsWorld top 10%
Impact of the COVID‐19 Pandemic on Surgical Residency Training: Perspective from a Low‐Middle Income Country
World Journal of Surgery
202038 citationsWorld top 10%Open access · Bronze
How do they grow? A study of south‐eastern Nigerian adolescent girls

Mpox in pregnancy: Management, risks and challenges in Africa and lessons from the COVID ‐19 pandemic

2023International Journal of Gynecology & ObstetricsJournalOpen access6 citations10.1002/ijgo.14810

Obstructed labour in a Nigerian tertiary health facility: a mixed-method study

2021International Journal of Reproduction Contraception Obstetrics and GynecologyJournalOpen access2 citations10.18203/2320-1770.ijrcog20212937

A Ten-year Review of Reproductive Outcome Following Abdominal Myomectomy at the University of Port Harcourt Teaching Hospital

2021Book Publisher International (a part of SCIENCEDOMAIN International)Book chapterSenior author0 citations10.9734/bpi/rtcms/v10/7710d

COVID‐19 and obstetric practice: A critical review of the Nigerian situation

2020International Journal of Gynecology & ObstetricsJournalOpen accessSenior author18 citations10.1002/ijgo.13325

Decision-Delivery Interval for Emergency Caesarean Section at the Rivers State University Teaching Hospital

2020Journal of Advances in Medicine and Medical ResearchJournalOpen accessSenior author0 citations10.9734/jammr/2020/v32i1630618

Abnormal cervical cytology among HIV-positive women in Nigeria

2014International Journal of Gynecology & ObstetricsJournal9 citations10.1016/j.ijgo.2013.10.024

Pathology of Abortion-Related Deaths in Port Harcourt Nigeria

2002Tropical Journal of Obstetrics and GynaecologyJournalOpen accessSenior author1 citation

Ovarian Teratomas in Port Harcourt: A Clinicopathologic Study of 83 Cases

2002Tropical Journal of Obstetrics and GynaecologyJournalOpen accessFirst author1 citation10.4314/tjog.v19i2.14386

Book Publisher International (a part of SCIENCEDOMAIN International)1

How it can be read

69% free to read

Diamond 4 · 15%Free to read and to publish
Gold 3 · 12%In an open-access journal
Hybrid 2 · 8%Open in a subscription journal
Bronze 5 · 19%Free to read, no open licence
Green 4 · 15%A copy in a repository
Closed 8 · 31%Behind a paywall

Who funds it

1 of 26 papers name a funder

African Population and Health Research Center1
Alliance for Accelerating Excellence in Science in Africa1
Carnegie Corporation of New York1
Center for Academic Research and Training in Anthropogeny1
Government of the United Kingdom1
Styrelsen för Internationellt Utvecklingssamarbete1
University of the Witwatersrand, Johannesburg1
Wellcome Trust1

COVID‐19 and obstetric practice: A critical review of the Nigerian situation

International Journal of Gynecology & Obstetrics3

202018 citationsOpen access · Bronze

Pregnancy outcome after cerclage for cervical incompetence at the University of Port Harcourt Teaching Hospital, Port Harcourt.

PubMed

201213 citationsOpen access · Green