Djusad S., Department of Obstetrics and Gynecology, Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo National Central Public Hospital, Jakarta, Indonesia; Permatasari I.I., Department of Obstetrics and Gynecology, Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo National Central Public Hospital, Jakarta, Indonesia; Futihandayani A., Department of Obstetrics and Gynecology, Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo National Central Public Hospital, Jakarta, Indonesia; Shahnaz P., Department of Obstetrics and Gynecology, Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo National Central Public Hospital, Jakarta, Indonesia; Hadiwinata D., Department of Obstetrics and Gynecology, Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo National Central Public Hospital, Jakarta, Indonesia; Herianti H.F., Department of Obstetrics and Gynecology, Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo National Central Public Hospital, Jakarta, Indonesia; Wibawa Y.S., Department of Obstetrics and Gynecology, Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo National Central Public Hospital, Jakarta, Indonesia