Document Type : Original Article
Authors
1 Assistant Professor of Obstetrics and Gynecology, Faculty of Medicine, Gilan University of Medical Sciences, Gilan, Iran.
2 Resident of Obstetrics and Gynecology, Faculty of Medicine, Gilan University of Medical Sciences, Gilan, Iran
3 Resident of Anesthetics, Faculty of Medicine, Gilan University of Medical Sciences, Gilan, Iran.
4 M.Sc. of Statistics, Faculty of Medicine, Gilan University of Medical Sciences, Gilan, Iran.
5 Medical Student, Faculty of Medicine, Gilan University of Medical Sciences, Gilan, Iran.
6 General Practitioner, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
Abstract
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