Kwansuda Yensri MD,*
Panyu Panburana MD,*
Nathapong Israngura Na Ayudhya MD,*
Pracha Nuntnarumit MD.**
* Department of Obstetrics and Gynaecology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400,
Thailand
** Department of Pediatric, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand