Journal profile · Obstetrics & Gynecology
Twin Research and Human Genetics
ISSN 1832-4274 · eISSN 1839-2628 · Cambridge University Press · AUSTRALIA · Bimonthly · Founded 2005
Twin Research and Human Genetics: CAS Zone 4 · Medicine (2025 upgraded edition); impact factor 1.31; hybrid open access; APC about USD 1,665; review 6–12 weeks (community reports); community-reported acceptance: fairly easy; 63 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Twin Research and Human Genetics is published by Cambridge University Press 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 Assisted Reproductive Technology and Twin Pregnancy, Cognitive Abilities and Testing and Birth, Development, and Health, together about 42.1% of its articles. Its main subfields are Pediatrics, Perinatology and Child Health. (generated from OpenAlex topic counts and CAS ranking data)
Twin Research communicates the results of original research covering the broad spectrum of multiple birth research. It also provides timely state-of-the-art reviews on all aspects of twin studies. Topics covered in the journal include behavioral genetics, complex diseases, endocrinology, foetal pathology, genetics, obstetrics, paediatrics, and psychiatric genetics.
From the journal's Aims & Scope
Research area (LetPub): Obstetrics & Gynecology
Editor-in-chief Nicholas G. MartinPublisher website
Editorial board by country: none in mainland China; most named United States 4, United Kingdom 4, Australia 4, Netherlands 4, Denmark 3 (30 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Assisted Reproductive Technology and Twin PregnancyMedicine16.9%
- Cognitive Abilities and TestingPsychology15.4%
- Birth, Development, and HealthMedicine9.8%
- Genetic Associations and EpidemiologyBiochemistry, Genetics and Molecular Biology8.3%
- Child and Adolescent Psychosocial and Emotional DevelopmentPsychology5.8%
- Prenatal Screening and DiagnosticsMedicine4.7%
- Diverse Scientific and Economic StudiesEconomics, Econometrics and Finance4%
- Demographic Trends and Gender PreferencesSocial Sciences3.9%
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 | Genetics & Heredity | Zone 4 |
| Minor | Obstetrics & Gynecology | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Medicine Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 4 |
| Minor | Genetics & Heredity | Zone 4 |
| Minor | Obstetrics & Gynecology | Zone 4 |
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 | Genetics & Heredity | Zone 4 |
| Minor | Obstetrics & Gynecology | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
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
- 1.31LetPub ·
- Impact factor (publisher)
- 1.3Publisher website ·
- CiteScore 2026-06
- 1.7LetPub ·
- SJR 2026-06
- 0.39LetPub ·
- SNIP 2026-06
- 0.42LetPub ·
- h-index
- 75LetPub ·
- h-index
- 98OpenAlex ·
- i10-index
- 1,075OpenAlex ·
- 2-year mean citedness
- 0.98OpenAlex ·
- Self-citation rate
- 7.7%LetPub ·
- Share of gold OA articles
- 65.77%LetPub ·
Volume
- Articles per year
- 37LetPub ·
Articles by year OpenAlex count · 2,808 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 48 | 35 | 7 |
| 2025 | 63 | 46 | 52 |
| 2024 | 46 | 43 | 95 |
| 2023 | 51 | 51 | 191 |
| 2022 | 39 | 28 | 141 |
| 2021 | 59 | 47 | 256 |
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)
- 6–12 weeksLetPub ·
- Average acceptance (community reports)
- Fairly easyLetPub ·
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 1,665 / EUR 1,525 / GBP 1,325 | — | — |
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.
Submission
Article types and submission policies (journal website)
Article types accepted1
- articleArticle Theory and Practice in Quantitative GeneticsLength not stated
Policy excerpts from the journal's websiteOpen access
- Open access Open access articles
All issues Most cited Sample content - access key articles Collections
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
- Cambridge University Press
- Country or region
- AUSTRALIA
- Language
- English
- Frequency
- Bimonthly
- Founded
- 2005
- ISSN
- 1832-4274
- Electronic ISSN
- 1839-2628
- Official links
- Journal homepage ↗OpenAlex
- Submission system ↗Publisher website
- Special issues ↗Publisher website
FAQ
Frequently asked questions about Twin Research and Human Genetics
What CAS zone is Twin Research and Human Genetics in?
In the 2025 upgraded edition of the CAS Journal Ranking, Twin Research and Human Genetics is in Zone 4 of Medicine, and in Zone 4 of the minor category Genetics & Heredity / Obstetrics & Gynecology. In the 2026 Xinrui edition it is in Zone 4 of Medicine. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Twin Research and Human Genetics?
The latest impact factor listed by LetPub is 1.31; CiteScore 1.7, h-index 98.
How long does peer review take at Twin Research and Human Genetics?
Authors report an average review time of 6–12 weeks; the community-reported acceptance is “Fairly 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 Twin Research and Human Genetics based?
Of the 30 board members whose country the journal's board page names, none are in mainland China; the countries named most often are United States (4), United Kingdom (4) and Australia (4). Counted from the institutions listed on the board page; for reference only.
Which databases index Twin Research and Human Genetics?
According to LetPub and DOAJ records, Twin Research and Human Genetics is indexed in SCIE and Scopus.
Is Twin Research and Human Genetics open access, and what is the APC?
Twin Research and Human Genetics is a hybrid journal. For open-access publication: APC about USD 1,665.
Sources and updates
The facts on this page come from LetPub, OpenAlex, Publisher website; 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: .