ImpaQ Ecosystem•Clarivate, Scopus & CORE Data
Clarivate WoS 2024 / 2025 Data
IMPAQ
WoS SCIE Q3Scopus Q2SCImago #9,564Hybrid

American Journal of Perinatology

Acronym:ajperinatology
•
Abbreviation (ISO):AM J PERINAT
•
Identifier (ISSN):0735-1631(Print)/1098-8785(Online)
•
Publisher:Thieme Medical Publishers
Clarivate IF (2026)
1.4↑ +0.2
Journal Impact Factor
IF Trend↓
WoS Quartile
Q3
WoS SCIEJCR Quartile
Clarivate WoS JCR
WoS Categories↓
JCR Release Date: 2026-06-17

Impact Factor Trend (2018–2026)

Clarivate IF trend for American Journal of Perinatology

WoS Q3
01341.6220181.5820191.4720201.8620213.082022220231.520241.220251.42026
Annual Impact Factor Metric
Current (2026):1.4
Scopus SJR & RankScopus Q2
0.615
#9,564

SCImago Journal Rank citation prestige weighting

Scopus Year: 2025
H-Index (2025)
89

89 papers with at least that number of citations each

WoS: SCIE / JCRQ3
Self-Citation Rate6.7%
Safe Level (< 15%)Warning Level (> 20%)
Self-citation below 15% indicates strong scholarly independence.
Volume & Open AccessHybrid
538articles/year
6.69% Gold OA•92.74% Original Research

Aims & Scope

The American Journal of Perinatology is an international, peer-reviewed, and indexed journal publishing 14 issues a year dealing with original research and topical reviews. It is the definitive forum for specialists in obstetrics, neonatology, perinatology, and maternal/fetal medicine, with emphasis on bridging the different fields. The focus is primarily on clinical and translational research, clinical and technical advances in diagnosis, monitoring, and treatment as well as evidence-based reviews. Topics of interest include epidemiology, diagnosis, prevention, and management of maternal, fetal, and neonatal diseases. Manuscripts on new technology, NICU set-ups, and nursing topics are published to provide a broad survey of important issues in this field. All articles undergo rigorous peer review, with web-based submission, expedited turn-around, and availability of electronic publication. The American Journal of Perinatology is accompanied by AJP Reports - an Open Access journal for case reports in neonatology and maternal/fetal medicine.

Topics Covered (Recognized by AI)
MedicineBiology87.6%Genetics79%Internal medicine77.2%Pregnancy72.4%Surgery52.8%Pathology50.4%Obstetrics47.9%Mathematics38.4%Pediatrics37.4%Gestation35.2%Fetus34.6%Psychology34.6%Gestational age32.9%Statistics31.3%Endocrinology30.2%Psychiatry29.1%Chemistry24.9%Radiology24.6%Anesthesia23.8%Physics22.1%Biochemistry20.9%
Primary Research Areas

WoS Categories & Quartiles

Detailed JCR / JCI category rankings and quartile breakdown from Clarivate

Clarivate JCR & JCI
JCRSCIE2026

OBSTETRICS & GYNECOLOGY

Q3
Rank106/143
IndexSCIE
JCRSCIE2026

PEDIATRICS

Q3
Rank112/190
IndexSCIE
JCISCIE2026

OBSTETRICS & GYNECOLOGY

Q3
Rank87/143
IndexSCIE
JCISCIE2026

PEDIATRICS

Q3
Rank103/190
IndexSCIE

Annual Historical Statistics & Publications

Track annual publication volume, total citations, and Impact Factor evolution

12 year
2026Latest
IF1.4
Articles / Year187
Total Citations160
2025
IF1.2
Articles / Year299
Total Citations213
2024
IF1.5
Articles / Year323
Total Citations808
2023
IF2
Articles / Year365
Total Citations1,404
2022
IF3.079
Articles / Year350
Total Citations2,035

SCImago & Scopus Journal Intelligence

Global SCImago ranking, SJR prestige index, Scopus coverage, and societal policy impact

Rank #9,564Scopus Q2SCImago Profile
Scopus Coverage:1983-2026
Scopus Broad Areas:Medicine
Scopus Citation Rank (SJR)Q2
0.615

Weighted prestige citation metric per document indexed in the Scopus database.

Quartile: Scopus Q2
Citations / Doc (2 years)
1.55

Average citations received per document published in the 2-year window.

2-Year Citation Window
Estimated Publication Fee (APC)
$3,120 USD

Estimated Article Processing Charge for Open Access publication.

Estimated cost / article

Scopus 3-Year Publication & Citation Window

3-Year Citations2,008
3-Year Documents1,206
Citable Documents1,196

Aggregated from Scopus database across the 3-year SJR evaluation window.

Societal Impact & Inclusivity (SCImago)

Policy Citations (Overton)0

Citations in government and international policy documents

Female Author Rate65.0%

Percentage of female authors published in the journal

Real-world societal policy reach and author gender diversity tracked by SCImago.

Scopus Subject Categories

Obstetrics and GynecologyQ2
Pediatrics, Perinatology and Child HealthQ2
Academic Metric Intelligence

Journal Metrics & Citation Visualizations

Total Cites vs Self-Cites

Evaluation of scholarly independence and citation reach

Total citations steady growth
Self-citation: 6.7%

Citations per Document

Citation metric windows across 2, 3, and 4 years

Cites / Doc (4 years)Cites / Doc (3 years)Cites / Doc (2 years)

Chinese Academy of Sciences (CAS) Classification

Major / minor zone classification and CAS Early Warning List history

Major Category (Broad Field):
4区 (Zone 4)Medicine
Minor Category (Specific Field):
4区OBSTETRICS & GYNECOLOGY
CAS Early Warning List History:
Updated annually: 2020 – 2024
2020
Not warned
2021
Not warned
2022
Not warned
2023
Not warned
2024
Not warned

Academic Intelligence Overview & Context

ImpaQ Analysis

American Journal of Perinatology (acronym: ajperinatology, abbr: AM J PERINAT, ISSN: 0735-1631) is a peer-reviewed international scholarly journal in the field of Medicine, published by Thieme Medical Publishers in United States since 1983. The periodical holds a Journal Impact Factor (JIF) of 1.40, ranking in quartile Q3 of Web of Science (SCIE), a Scopus SJR indicator of 0.615 (Q2), an H-index of 89.

The journal enforces rigorous peer evaluation with a publication frequency of Monthly, an annual output of approximately 538 scientific articles. In terms of accessibility and author fees, it operates under the Hybrid model with an estimated APC of $3,120 USD. It serves as a benchmark publication platform for academics, researchers, and doctoral candidates seeking global research visibility.

Publishing & Editorial Information

Detailed publisher, peer-review turnaround, and publication cycle specifications

Open Access Model
Hybrid
Publisher
Thieme Medical Publishers
Publication Language
English
Frequency
Monthly
Founding Year
1983
Indexing & Databases
SCIEScopusPubMed
Editorial Address
THIEME MEDICAL PUBL INC, 333 SEVENTH AVE, NEW YORK, USA, NY, 10001

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Journals in the same research field with comparable impact metrics

Record UUID: 9cded344-87c0-43f7-80af-0e8b79f5eca4
Database Updated: 2026-10-01