Journal profile · Obstetrics & Gynecology
BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY
ISSN 1470-0328 · eISSN 1471-0528 · Wiley-Blackwell Publishing Ltd · ENGLAND · Monthly · Founded 2000
BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY: CAS Zone 2 · Medicine (2025 upgraded edition, Top journal); impact factor 4.78; hybrid open access; APC about USD 5,190; median 146 days to acceptance (85 articles, last 24 months); community-reported acceptance: fairly hard; 476 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY is published by Wiley-Blackwell Publishing Ltd and is in Zone 2 of Medicine in the CAS Journal Ranking (2025 upgraded edition, Top journal). By OpenAlex counts of its recent articles, its largest topics are Maternal and Perinatal Health Interventions, Maternal and fetal healthcare and Pregnancy and preeclampsia studies, together about 32% of its articles. Its main subfields are Pediatrics, Perinatology and Child Health and Obstetrics and Gynecology. (generated from OpenAlex topic counts and CAS ranking data)
BJOG is the official academic research journal of the Royal College of Obstetricians and Gynaecologists (RCOG). The Journal publishes original, peer-reviewed work in all areas of obstetrics and gynaecology, including contraception, urogynaecology, fertility, oncology and clinical practice. Its aim is to publish the highest quality medical research in women's health, worldwide. Areas covered include: Obstetrics Midwifery Maternal medicine Fetal medicine Gynaecological urology Gynaecological oncology Gynaecological endocrinology Infertility Reproductive medicine Genitourinary medicine Sexual medicine Prenatal diagnosis Perinatology Cytopathology General gynaecology Community gynaecology Family planning Epidemiology Reproductive ethics Research into medical education Menopause Operative gynaecology Abstracting and Indexing Information Abstracts in Anthropology (Baywood Publishing) Abstracts on Hygiene & Communicable Diseases (CABI) Academic OneFile (GALE Cengage) Academic Search (EBSCO Publishing) Academic Search Alumni Edition (EBSCO Publishing) Academic Search Complete (EBSCO Publishing) Academic Search Elite (EBSCO Publishing) Academic Search Premier (EBSCO Publishing) Animal Breeding Abstracts (CABI) BIOBASE: Current Awareness in Biological Sciences (Elsevier) BNI: British Nursing Index (ProQuest) Botanical Pesticides (CABI) CAB Abstracts® (CABI) Calcium & Calcified Tissue Abstracts (ProQuest) CAS: Chemical Abstracts Service (ACS) CINAHL: Cumulative Index to Nursing & Allied Health Literature (EBSCO Publishing) CSA Biological Sciences Database (ProQuest) Dairy Science Abstracts (CABI) Embase (Elsevier) Environmental Impact (CABI) Global Health (CABI) Health Reference Center Academic (GALE Cengage) HEED: Health Economic Evaluations Database (Wiley-Blackwell) IBR & IBZ: International Bibliographies of Periodical Literature (KG Saur) IDIS: Iowa Drug Information Service (University of Iowa) Leisure Tourism Database (CABI) Leisure, Recreation & Tourism Abstracts (CABI) MEDLINE/PubMed (NLM) Nutrition Abstracts & Reviews Series A: Human & Experimental (CABI) Periodical Abstracts (ProQuest) ProQuest Central (ProQuest) ProQuest Central: Professional Edition (ProQuest) ProQuest Health & Medical Complete (ProQuest) ProQuest Public Health (ProQuest) ProQuest Research Library (ProQuest) Protozoological Abstracts (CABI) Public Affairs Index (EBSCO Publishing) Review of Aromatic & Medicinal Plants (CABI) Review of Medical & Veterinary Entomology (CABI) Review of Medical
From the journal's Aims & Scope
Research area (LetPub): Obstetrics & Gynecology
Editor-in-chief Aris PapageorghiouPublisher website
Editorial board by country: 5 in mainland China (about 7%); most named United Kingdom 40, United States 12, Mainland China 5, Italy 3, Australia 3 (74 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Maternal and Perinatal Health InterventionsMedicine11.6%
- Maternal and fetal healthcareMedicine10.3%
- Pregnancy and preeclampsia studiesMedicine10.1%
- Assisted Reproductive Technology and Twin PregnancyMedicine8%
- Pelvic floor disorders treatmentsMedicine4.3%
- Preterm Birth and ChorioamnionitisMedicine3.9%
- Uterine Myomas and TreatmentsMedicine3.8%
- Prenatal Screening and DiagnosticsMedicine3.7%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Medicine Zone 2
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 2 |
| Minor | Obstetrics & Gynecology | Zone 1 |
Top journal: yesReview journal: no
CAS Xinrui Journal Ranking (March 2026)Medicine Zone 2
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 2 |
| Minor | Obstetrics & Gynecology | Zone 2 |
Top journal: yesReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Medicine Zone 1
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 1 |
| Minor | Obstetrics & Gynecology | Zone 1 |
Top journal: yesReview journal: no
Database indexing
SCIEScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
MEDLINEPubMedEmbaseCASCAB AbstractsCINAHLPublisher website
Other: EBSCO, ProQuest
As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 4.78LetPub ·
- Impact factor (publisher)
- 4.8Publisher website ·
- Impact factor (publisher) 2025
- 4.8Publisher website ·
- CiteScore 2026-06
- 8.9LetPub ·
- CiteScore (publisher)
- 8.9Publisher website ·
- CiteScore (publisher) 2025
- 8.9Publisher website ·
- SJR 2026-06
- 1.79LetPub ·
- SNIP 2026-06
- 1.98LetPub ·
- h-index
- 148LetPub ·
- h-index
- 276OpenAlex ·
- i10-index
- 12,382OpenAlex ·
- 2-year mean citedness
- 3.05OpenAlex ·
- Self-citation rate
- 10.4%LetPub ·
- Share of gold OA articles
- 69.45%LetPub ·
Volume
- Articles per year
- 269LetPub ·
- Articles per year (publisher)
- 2Publisher website ·
- Articles per year (publisher) 2025
- 414Publisher website ·
- Downloads per year (publisher) 2025
- 3,178,032Publisher website ·
Articles by year OpenAlex count · 29,489 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 232 | 158 | 98 |
| 2025 | 476 | 345 | 973 |
| 2024 | 328 | 228 | 2,091 |
| 2023 | 410 | 314 | 3,429 |
| 2022 | 353 | 152 | 4,337 |
| 2021 | 453 | 185 | 6,546 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
Review time from article dates manuscript dates registered with Crossref · to
146 daysMedian, submission to acceptance · P25–P75 76 days – 208 days
- Acceptance to online
- median 16 days (87 articles)
- Submission to online
- median 160 days
- Sample
- 85 articles with submission and acceptance dates (782 in the window); the latest was accepted on
Only articles that were accepted and published are counted, not the time spent on rejected manuscripts, so this usually runs longer than a publisher's "time to first decision".
Other sources
- Average review time (community reports)
- 3–6 weeksLetPub ·
- Average acceptance (community reports)
- Fairly hardLetPub ·
- Acceptance rate (publisher)
- 18%Publisher website ·
- Acceptance rate (publisher) 2025
- 18%Publisher website ·
- Submission to first decision
- 15 daysPublisher website ·
- Submission to first decision 2025
- 15 daysPublisher website ·
- Submission to acceptance 2025
- 122 daysPublisher website ·
- Acceptance to publication 2025
- 17 daysPublisher website ·
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Hybrid open accessLetPub
A subscription journal in which authors can pay to publish their article open access.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| OpenAlex | USD 5,190 / EUR 4,330 / GBP 3,460 | — | — |
A hybrid journal charges the APC only when the author chooses open access; publishing under the subscription model is usually free.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Profile
Publication details and official links
- Publisher
- Wiley-Blackwell Publishing Ltd
- Country or region
- ENGLAND
- Language
- English
- Frequency
- Monthly
- Founded
- 2000
- ISSN
- 1470-0328
- Electronic ISSN
- 1471-0528
- Society / sponsor
- Society for Maternal-Fetal Medicine
- Latest issue on the website
- Volume 133, Issue 11 (October 2026)
- Official links
- Journal homepage ↗OpenAlex
- Submission system ↗LetPub
- Special issues ↗Publisher website
FAQ
Frequently asked questions about BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY
What CAS zone is BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY in?
In the 2025 upgraded edition of the CAS Journal Ranking, BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY is in Zone 2 of Medicine, and in Zone 1 of the minor category Obstetrics & Gynecology; it is a Top journal. In the 2026 Xinrui edition it is in Zone 2 of Medicine. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY?
The latest impact factor listed by LetPub is 4.78; CiteScore 8.9, h-index 276.
How long does peer review take at BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY?
Based on the dates recorded on 85 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 146 days (interquartile range 76–208 days); authors report an average review time of 3–6 weeks; the community-reported acceptance is “Fairly hard”; the journal's website gives an acceptance rate of 18% (2025). Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Where are the editorial board members of BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY based?
Of the 74 board members whose country the journal's board page names, 5 (about 7%) are in mainland China; the countries named most often are United Kingdom (40), United States (12) and Mainland China (5). Counted from the institutions listed on the board page; for reference only.
Which databases index BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY?
According to LetPub and DOAJ records, BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY is indexed in SCIE and Scopus. The journal's website also lists MEDLINE, PubMed, Embase, CAS, CAB Abstracts and CINAHL; that list has not been checked against each database.
Is BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY open access, and what is the APC?
BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY is a hybrid journal. For open-access publication: APC about USD 5,190.
Sources and updates
The facts on this page come from LetPub, Publisher website, OpenAlex; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-26). Last updated: .