Journal profile · OBSTETRICS & GYNECOLOGY
Taiwanese Journal of Obstetrics & Gynecology
ISSN 1028-4559 · eISSN 1875-6263 · Elsevier Taiwan LLC · TAIWAN · Quarterly · Founded 1985
Taiwanese Journal of Obstetrics & Gynecology: CAS Zone 4 · Medicine (2025 upgraded edition); impact factor 2.66; diamond open access (no APC); no APC; review 4–8 weeks (community reports); community-reported acceptance: easy; 273 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Taiwanese Journal of Obstetrics & Gynecology is published by Elsevier Taiwan LLC and is in Zone 4 of Medicine in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Prenatal Screening and Diagnostics, Genomic variations and chromosomal abnormalities and Uterine Myomas and Treatments, together about 24.5% of its articles. Its main subfields are Obstetrics and Gynecology and Reproductive Medicine. (generated from OpenAlex topic counts and CAS ranking data)
Taiwanese Journal of Obstetrics and Gynecology is a peer-reviewed journal and open access publishing editorials, reviews, original articles, short communications, case reports, research letters, correspondence and letters to the editor in the field of obstetrics and gynecology.The aims of the journal are to:Publish cutting-edge, innovative and topical research that addresses screening, diagnosis, management and care in women's healthDeliver evidence-based informationPromote the sharing of clinical experienceAddress women-related health promotionThe journal provides comprehensive coverage of topics in obstetrics & gynecology and women's health including maternal-fetal medicine, reproductive endocrinology/infertility, and gynecologic oncology. Taiwan Association of Obstetrics and Gynecology.
From the journal's Aims & Scope
Research area (LetPub): OBSTETRICS & GYNECOLOGY
Editor-in-chief Chih-Ping ChenPublisher website
Editorial board by country: none in mainland China; most named Taiwan, China 67, Japan 14, United States 9, South Korea 4, Sweden 2 (99 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Prenatal Screening and DiagnosticsMedicine10.3%
- Genomic variations and chromosomal abnormalitiesBiochemistry, Genetics and Molecular Biology7.7%
- Uterine Myomas and TreatmentsMedicine6.6%
- Pregnancy and preeclampsia studiesMedicine5.8%
- Endometrial and Cervical Cancer TreatmentsMedicine5.5%
- Maternal and fetal healthcareMedicine5.5%
- Ovarian cancer diagnosis and treatmentMedicine5.4%
- Gynecological conditions and treatmentsMedicine4.9%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Medicine Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 4 |
| Minor | Obstetrics & Gynecology | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Medicine Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 3 |
| Minor | Obstetrics & Gynecology | Zone 3 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Medicine Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 4 |
| Minor | Obstetrics & Gynecology | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusDOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
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
- 2.66LetPub ·
- Impact factor (publisher)
- 2.7Publisher website ·
- CiteScore 2026-06
- 3.7LetPub ·
- CiteScore (publisher)
- 3.7Publisher website ·
- SJR 2026-06
- 0.58LetPub ·
- SNIP 2026-06
- 0.89LetPub ·
- h-index
- 29LetPub ·
- h-index
- 66OpenAlex ·
- i10-index
- 1,405OpenAlex ·
- 2-year mean citedness
- 2.27OpenAlex ·
- Self-citation rate
- 40.7%LetPub ·
- Share of gold OA articles
- 99.75%LetPub ·
Volume
- Articles per year
- 129LetPub ·
Articles by year OpenAlex count · 3,974 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 248 | 248 | 95 |
| 2025 | 273 | 273 | 591 |
| 2024 | 240 | 240 | 1,040 |
| 2023 | 206 | 206 | 1,226 |
| 2022 | 251 | 251 | 1,998 |
| 2021 | 256 | 256 | 2,177 |
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
- Average review time (community reports)
- 4–8 weeksLetPub ·
- Average acceptance (community reports)
- EasyLetPub ·
- Submission to publication (journal-reported)
- about 52 weeksDOAJ ·
- Peer review
- Single anonymous peer reviewDOAJ
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
Diamond open access (no APC)DOAJ
Every article is open access and authors pay no article processing charge.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| DOAJ | No APC | No | CC BY, CC BY-NC-ND | |
| OpenAlex | USD 0 | — | — | |
| LetPub | No APC | Yes | — | |
| Publisher website | No APC | — | — |
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
Article types accepted6, with length limits
- case reportThese are short discussions of a case or case series with unique features not previously described that make an important teaching point or scientific observati…main text ≤ 1,500 words · abstract ≤ 150 words
- correspondenceBrief constructive comments in response to previously published TJOG articles or relating to a topical subject in the field, as well as other communications of …main text ≤ 500 words · figures and tables ≤ 1
- editorialThese are usually written by invited authors or editorial board members and are comments on recent news or articles published in the Journal.Format guide• Word …main text ≤ 1,200 words · figures and tables ≤ 1
- original articleThese articles typically include randomized trials, intervention studies, studies of screening and diagnostic tests, laboratory and animal studies, cohort studi…main text ≤ 3,000 words · abstract ≤ 300 words
- review articleThese articles aim to provide the reader with a balanced overview of an important and topical issue in research or clinical practice. They should cover aspects …main text ≤ 4,000 words · abstract ≤ 250 words
- short communicationThese should be concise presentations of preliminary experimental results, instrumentation and analytical techniques, or aspects of clinical or experimental pra…main text ≤ 1,500 words · abstract ≤ 150 words · figures and tables ≤ 1
Policy excerpts from the journal's websiteAI use, Authorship, Conflicts of interest, Publication ethics, License & copyright, Open access, Peer review, Preprints
- AI use Declaration of generative AI in scientific writing
Authors must declare the use of generative AI tools in the manuscript preparation process upon submission of the paper.Generative AI and AI-assisted technologies (“AI tools”) have been rapidly adopted in research and scholarly publishing, offering significant benefits while requiring clear standards for responsible and transparent use.Authors preparing a manuscript for this journal may use AI tool…
Source ↗Publisher website ·- Authorship Changes to Authorship
This policy concerns the addition, deletion, or rearrangement of author names in the authorship of accepted manuscripts. Before the accepted manuscript is published online, requests to add or remove an author, or to rearrange the author names, must be sent to the Journal Manager from the corresponding author of the accepted manuscript and must include: (i) the reason the name should be added or re…
Source ↗Publisher website ·- Conflicts of interest Disclosure of Conflicts of Interest
Conflicts of interest may be financial or non-financial. Financial conflicts include financial relationships such as honoraria; educational grants; participation in speakers' bureaus; membership, employment, consultancies, stock ownership, or other equity interest; expert testimony or patent-licensing arrangements. Non-financial conflicts include personal or professional relationships, affiliation…
Source ↗Publisher website ·- Publication ethics Ethical Approval of Studies and Informed Consent
For human or animal experimental investigations described in original articles, appropriate institutional review board or ethics committee approval is required, and such approval should be stated in the methods section of the manuscript. For those investigators who do not have formal ethics review committees, the principles outlined in the Declaration of Helsinki should be followed (World Medical …
Source ↗Publisher website ·- License & copyright Copyright
Upon acceptance of an article, authors will be asked to complete a 'Journal Publishing Agreement' (see more information on this). An e-mail will be sent to the corresponding author confirming receipt of the manuscript together with a 'Journal Publishing Agreement' form or a link to the online version of this agreement.Author rightsAs an author you (or your employer or institution) have certain rig…
Source ↗Publisher website ·- Open access Open Access
This Journal is a peer reviewed, subsidized open access journal where Taiwan Association of Obstetrics and Gynecology pays for the publishing costs incurred by the Journal. Authors do not have to pay any Article Processing Charge or Open Access Publication Fee.
Source ↗Publisher website ·- Peer review Peer review
This journal operates a single anonymized review process. All contributions are typically sent to a minimum of two independent expert reviewers to assess the scientific quality of the paper. The Editor is responsible for the final decision regarding acceptance or rejection of articles. The Editor's decision is final. Editors are not involved in decisions about papers which they have written themse…
Source ↗Publisher website ·- Preprints Preprint references
Where a preprint has subsequently become available as a peer-reviewed publication, the formal publication should be used as the reference. If there are preprints that are central to your work or that cover crucial developments in the topic, but are not yet formally published, these may be referenced. Preprints should be clearly marked as such, for example by including the word preprint, or the nam…
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Elsevier Taiwan LLC
- Country or region
- TAIWAN
- Language
- English
- Frequency
- Quarterly
- Founded
- 1985
- ISSN
- 1028-4559
- Electronic ISSN
- 1875-6263
- Official links
FAQ
Frequently asked questions about Taiwanese Journal of Obstetrics & Gynecology
What CAS zone is Taiwanese Journal of Obstetrics & Gynecology in?
In the 2025 upgraded edition of the CAS Journal Ranking, Taiwanese Journal of Obstetrics & Gynecology is in Zone 4 of Medicine, and in Zone 4 of the minor category Obstetrics & Gynecology. In the 2026 Xinrui edition it is in Zone 3 of Medicine. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Taiwanese Journal of Obstetrics & Gynecology?
The latest impact factor listed by LetPub is 2.66; CiteScore 3.7, h-index 66.
How long does peer review take at Taiwanese Journal of Obstetrics & Gynecology?
Authors report an average review time of 4–8 weeks; the community-reported acceptance is “Easy”. 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 Taiwanese Journal of Obstetrics & Gynecology based?
Of the 99 board members whose country the journal's board page names, none are in mainland China; the countries named most often are Taiwan, China (67), Japan (14) and United States (9). Counted from the institutions listed on the board page; for reference only.
Which databases index Taiwanese Journal of Obstetrics & Gynecology?
According to LetPub and DOAJ records, Taiwanese Journal of Obstetrics & Gynecology is indexed in SCIE, Scopus and DOAJ.
Is Taiwanese Journal of Obstetrics & Gynecology open access, and what is the APC?
Taiwanese Journal of Obstetrics & Gynecology is a diamond open-access journal (no APC). It charges no article processing charge.
Sources and updates
The facts on this page come from LetPub, OpenAlex, Publisher website, DOAJ; 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 2026-08-25). Last updated: .