BJOG: an International Journal of Obstetrics and Gynaecology
3.7(top 4%)
Impact Factor
4(top 4%)
extended IF
201(top 1%)
H-Index
4K
authors
21.2K
papers
462.4K
citations
8.8K
citing journals
75.9K
citing authors
Selected Period:
How Influential is BJOG: an International Journal of Obstetrics and Gynaecology?
BJOG: an International Journal of Obstetrics and Gynaecology is the 1706th out of 14,350 Health Sciences journals. This means the journal is among the top 12% in the science branch of Health Sciences.
How are inpact factors calculated?
The impact factor (IF) is calculated by counting citations from peer-reviewed journals only.
extended IF also counts citations from books and conference papers. However, no patent, abstract, working papers, online documents, etc., are covered.