BMC Pregnancy and Childbirth is the 12th out of 94 Gynaecology journals. This means the journal is among the top 13% in the discipline of Gynaecology. This Journal is the 91st out of 1,172 Nursing journals. This means the journal is among the top 8% in the discipline of Nursing. This Journal is the 1985th out of 14,350 Health Sciences journals. This means the journal is among the top 14% 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.