Journal
- journal of perinatal medicine54
- american journal of obstetrics & gynecology44
- archives of gynecology & obstetrics35
- journal of maternal fetal neonatal medicine the official journal of the european association of perinatal medicine the federation of asia and oceania perinatal societies the international society of perinatal obstetricians35
- ultrasound in obstetrics & gynecology31
- bmc pregnancy & childbirth30
- reproductive sciences23
- seminars in perinatology20
- journal of the turkish-german gynecological association18