Harzif, A.K., Obstetric and Gynecology Department, Faculty of Medicine, Universitas Indonesia, Dr. Cipto Mangunkusumo National General Hospital, Indonesia; Maidarti, M., Obstetric and Gynecology Department, Faculty of Medicine, Universitas Indonesia, Dr. Cipto Mangunkusumo National General Hospital, Indonesia; Shadrina, A., Obstetric and Gynecology Department, Faculty of Medicine, Universitas Indonesia, Dr. Cipto Mangunkusumo National General Hospital, Indonesia; Saroyo, Y.B., Obstetric and Gynecology Department, Faculty of Medicine, Universitas Indonesia, Dr. Cipto Mangunkusumo National General Hospital, Indonesia