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- european journal of obstetrics & gynecology and reproductive biology9
- journal of perinatal medicine9
- american journal of obstetrics and gynecology8
- acta obstetricia et gynecologica scandinavica5
- obstetrics and gynecology clinics of north america4
- ultrasound review of obstetrics & gynecology4
- american journal of perinatology3
- obstetrics & gynecology3
- seminars in reproductive endocrinology2