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Journal
- bjog an international journal of obstetrics and gynaecology12
- european journal of obstetrics gynecology and reproductive biology10
- ultrasound in obstetrics gynecology the official journal of the international society of ultrasound in obstetrics and gynecology10
- human reproduction oxford england9
- bmc pregnancy and childbirth8
- human reproduction update8
- acta obstetricia et gynecologica scandinavica7
- american journal of obstetrics and gynecology4
- american journal of perinatology4