Purwoto, G., Department of Obstetric and Gynecology, Faculty of Medicine Universitas Indonesia, Dr Cipto Mangunkusumo Hospital, Indonesia; Surya, I.U., Department of Obstetric and Gynecology, Faculty of Medicine Universitas Indonesia, Dr Cipto Mangunkusumo Hospital, Indonesia; Saroyo, Y.B., Department of Obstetric and Gynecology, Faculty of Medicine Universitas Indonesia, Dr Cipto Mangunkusumo Hospital, Indonesia; Rustamadji, P., Department Anatomical Pathology, Faculty of Medicine Universitas Indonesia, Dr Cipto Mangunkusumo, Indonesia; Harzif, A.K., Department of Obstetric and Gynecology, Faculty of Medicine Universitas Indonesia, Dr Cipto Mangunkusumo Hospital, Indonesia