Feharsal Y., Department of Obstetrics and Gynecology, Fatmawati Central General Hospital, Jakarta, Indonesia; Andrijono A., Department of Obstetrics and Gynecology, Dr. Cipto Mangunkusumo National Central General Hospital, Jakarta, Indonesia; Singoprawiro C.S., Department of Obstetrics and Gynecology, Fatmawati Central General Hospital, Jakarta, Indonesia; Lisnawati L., Department of Pathological Anatomy, Dr. Cipto Mangunkusumo National Central General Hospital, Jakarta, Indonesia; Pakasi T.A., Department of Community Medicine, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Putra A.D., Department of Obstetrics and Gynecology, Dr. Cipto Mangunkusumo National Central General Hospital, Jakarta, Indonesia; Kusuma F., Department of Obstetrics and Gynecology, Dr. Cipto Mangunkusumo National Central General Hospital, Jakarta, Indonesia; Anggraeni T.D., Department of Obstetrics and Gynecology, Dr. Cipto Mangunkusumo National Central General Hospital, Jakarta, Indonesia; Erlina E., Department of Pathological Anatomy, Fatmawati Central General Hospital, Jakarta, Indonesia; Sarwanti S., Department of Pathological Anatomy, Fatmawati Central General Hospital, Jakarta, Indonesia; Mardhiyah T., Department of Obstetrics and Gynecology, Dr. Cipto Mangunkusumo National Central General Hospital, Jakarta, Indonesia