Situmorang H., Reproductive Health Division, Department of Obstetrics and Gynecology, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia, Reproductive Health Division, Department of Obstetrics and Gynecology, dr. Cipto Mangunkusumo General Hospital, Jakarta, Indonesia; Sutanto R.L., Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Tjoa K., Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Rivaldo R., Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Adrian M., Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia