Kurniawati, E.M., Department of Obstetrics and Gynecology, Universitas Airlangga-Dr. Soetomo General Academic Hospital, Surabaya, Indonesia; Santoso, B., Department of Obstetrics and Gynecology, Universitas Airlangga-Dr. Soetomo General Academic Hospital, Surabaya, Indonesia; Rantam, F.A., Department of Veterinary Microbiology, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Indonesia; Widjiati, Department of Veterinary Anatomy, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Indonesia; Santoso, B.I., Department of Obstetrics and Gynecology, Faculty of Medicine, Universitas Indonesia – Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Hadi, T.H.S., Department of Obstetrics and Gynecology, Universitas Airlangga-Dr. Soetomo General Academic Hospital, Surabaya, Indonesia; Hardianto, G., Department of Obstetrics and Gynecology, Universitas Airlangga-Dr. Soetomo General Academic Hospital, Surabaya, Indonesia; Paraton, H., Department of Obstetrics and Gynecology, Universitas Airlangga-Dr. Soetomo General Academic Hospital, Surabaya, Indonesia