Document Type : Original Article
Authors
1 Obstatric &gynacology department &benha medical school;benha univeristy ;benha
2 Gyneacology & Obstatrics Department-Faculty of Medicine-Benha University
3 obestatric&gynacology department banha medical school &banha univeristy
4 Obstetrics and gynacology, faculty of medicine, Benha university
Abstract
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