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- american journal of obstetrics and gynecology33
- gynecologic and obstetric investigation8
- acta obstetricia et gynecologica scandinavica7
- obstetrics & gynecology7
- human reproduction6
- american journal of perinatology4
- prenatal diagnosis4
- the journal of maternal-fetalneonatal medicine : the official journal of the european association of perinatal medicine, the federation of asia and oceania perinatal societies, the international society of perinatal obstetricians4
- european journal of obstetrics & gynecology and reproductive biology3