Department of Obstetrics and Gynecology, Seoul National University College of Medicine, 101 Daehak-Ro, Jongno-Gu, Seoul, 03080, Korea. Department of Obstetrics and Gynecology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea. Molecular Recognition Research Center, Korea Institute of Science and Technology, 5 Hwarang-ro 14-gil, Seoul, 02792, Korea. Department of Obstetrics and Gynecology, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul, Korea. Seoul Women's Hospital, Incheon, Korea. Department of Laboratory Medicine, Seoul National University College of Medicine, Seoul, Korea. Department of Laboratory Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul, Korea. Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea. Department of Internal Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul, Korea. Department of Obstetrics and Gynecology, Tufts University School of Medicine, Boston, MA, USA. Molecular Recognition Research Center, Korea Institute of Science and Technology, 5 Hwarang-ro 14-gil, Seoul, 02792, Korea. mh_choi@kist.re.kr. Department of Obstetrics and Gynecology, Seoul National University College of Medicine, 101 Daehak-Ro, Jongno-Gu, Seoul, 03080, Korea. jsparkmd@snu.ac.kr.