Document Type : Original Article
Authors
1 Obstetrics and Gynecology department,Benha facuty of medicine, Benha university
2 Obstetrics and Gynecology Department, Faculty of Medicine, Zagazig University
3 Obstetrics and Gynecology Department, Faculty of Medicine, Ain Shams University
4 Obstetric and gynecology department faculty of medicine Zagazig university
Abstract
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