[\'Department of Pediatrics, Istanbul Medeniyet University, İstanbul, Turkey.\', \'Department of Gynecology and Obstetrics, Vatan Hospital, Rumeli University, Tekirdağ, Turkey.\']
The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians