Luay Abu Atileh1, Kuan-Gen Huang2. 1. Department of Obstetrics and Gynecology, Albasheer Hospital, Amman, Jordan. 2. Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Linkou Medical Center and Chang Gung University College of Medicine, Kweishan, Taoyuan, Taiwan. Electronic address: kghuang@ms57.hinet.net.