oleh Wibowo, Noroyono; Department of Obstetric and Gynecology, Faculty of Medicine, Universitas Indonesia, Ciptomangunkusumo Hospital, Jakarta , Mose, Johanes C.; Department of Obstetric and Gynecology, Faculty of Medicine, Padjajaran University, Bandung , Karkata, Made K.; Department of Obstetric and Gynecology, Faculty of Medicine, Udayana University, Bali , Purwaka, Bangun T.; Department of Obstetric and Gynecology, Faculty of Medicine, Airlangga University, Surabaya , Kristanto, Herman; Department of Obstetric and Gynecology, Faculty of Medicine, Diponegoro University, Semarang , Chalid, Maisuri T.; Department of Obstetric and Gynecology, Faculty of Medicine, Hasanuddin University, Makassar , Yusrawati, Yusrawati; Department of Obstetric and Gynecology, Faculty of Medicine, Andalas University, Padang , Sitepu, Makmur; Department of Obstetric and Gynecology, Faculty of Medicine, University of Sumatera Utara, Medan , Kaeng, Juneke J.; Department of Obstetric and Gynecology, Faculty of Medicine, Sam Ratulangi University, Medan , Bernolian, Nuswil; Department of Obstetric and Gynecology, Faculty of Medicine, Sriwijaya University, Palembang , Prasmusinto, Damar; Department of Obstetric and Gynecology, Faculty of Medicine, Universitas Indonesia, Ciptomangunkusumo Hospital, Jakarta , Irwinda, Rima; Department of Obstetric and Gynecology, Faculty of Medicine, Universitas Indonesia, Ciptomangunkusumo Hospital, Jakarta