Open Access statistics for Society for Maternal-Fetal Medicine, United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
45%
Total
Publications
1.8K
Total Open
Publications
818
Total
Citations
54K
Open Access
Percentage
45%
Total
Publications
1.8K
Total Open
Publications
818
Total
Citations
54K
Breakdown
Publisher Open
27%
Both
15%
Other Platform Open
7%
Closed
51%
Percentage of Open Access over time
Publisher Open
Both
Other Platform Open
Closed
Volume of Open Access over time
Open
Closed
Publisher Open
OA Journal 41%
328
Hybrid 13%
103
No Guarantees 46%
372
Other Platform Open
Domain 75%
316
Institution 38%
162
Other Internet 5%
23
Preprint 5%
21
Public 2%
9
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 325 |
doaj.org OAI-PMH Repository | Institution | 108 |
DOI | Other Internet | 15 |
California Digital Library | Institution | 13 |
LA Referencia | Institution | 12 |
Unknown Repository | Other Internet | 9 |
University of Groningen | Institution | 8 |
Figshare | Public | 8 |
Research Square | Preprint | 7 |
medRxiv | Preprint | 7 |
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