Center for Clinical Genetics, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine (X. Ji, M.D., Yi.C.); Department of Genetics, Shanghai Institute for Pediatric Research (X. Ji, M.D.), Shanghai; BGI Genomics, BGI-Shenzhen, Shenzhen (J.L., Y. Yuan, Q.L., Ya.C., J.J., Y.Z., S.H., F.C., C.F., J. Zhu, W. Li, Y.W., J.W., H. Yang, Y. Yin, X. Jin, M.M.); Department of Obstetrics and Gynecology, Jiangmen Central Hospital, Affiliated Jiangmen Hospital of Sun Yat-Sen University, Jiangmen (Y. Huang, Q.Z., S. Feng), Guangdong, China; Department of Obstetrics and Gynecology, Taipei Veterans General Hospital (P.-L.S.); Department of Obstetrics and Gynecology, School of Medicine, National Yang-Ming University (P.-L.S.), Taipei, Taiwan; BGI-Wuhan, BGI-Shenzhen, Wuhan (Y. Han, W.Y.); Reproductive Medicine Center, Jiangmen Central Hospital, Affiliated Jiangmen Hospital of Sun Yat-Sen University, Jiangmen (H.W.); Key Laboratory for Major Obstetric Diseases of Guangdong, Key Laboratory for Reproduction and Genetics of Guangdong Higher Education Institutes (W. Liu) and Department of Prenatal Diagnosis and Fetal Medicine (Z.L., J. Chen, M. Chen), Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong; Prenatal Diagnosis Center, Southwest Hospital, Chongqing (H. Yao); Department of Obstetrics and Gynecology, Bazhong Central Hospital, Bazhong (L.Z.); Department of Obstetrics and Gynecology, Sichuan Provincial People’s Hospital, Chengdu (T.M.), Sichuan; Genetic Diagnosis Center and Reproductive Center, Yue Bei People’s Hospital, Shaoguan, Guangdong (S. Fan); Faculty of Environmental Science and Engineering, Kunming University of Science and Technology (J. Zhang, B.Z.); Genetic Diagnosis Center, First People’s Hospital of Yunnan (J. Zhang, B.Z.), Kunming, Yunnan; BGI HEALTH (HK), Hong Kong (K.Y.Y., S.H.C., I.W.S.C., N.-T.L., S.L., J. Cao, S.T.), China; BGI Europe A/S, Copenhagen, Denmark (Z.S.); Department of Medical Genetics, DeNA Laboratory (M.R.H., M. Garshasbi); Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modares University (M. Garshasbi), Tehran, Iran; NIMGenetics, Madrid (J.S., Y.T., J.C.C.); Servicio de Ginecología y Obstetricia, Hospital General San Jorge, Huesca (F.J.P.R.); Laboratorio de Genética Molecular AbaCid, Hospitales HM, Madrid (L.R., M. García), Spain; GenePlanet Ltd (J.B., E.T.); Dravlje Health Center-IVF (U.R.); Division of Obstetrics and Gynecology, Department of Perinatology, University Medical Centre (N.T.), Ljubljana, Slovenia; Gene Health Co Ltd, Taipei, Taiwan (C.-F.T.); Department of Prenatal Diagnosis and Fetal Medicine, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai (D.Z., L. Sun, T.D.); Laboratory of Clinical Genetics, Huai’an Maternity and Child Health Care Hospital of Jiangsu Province, Yangzhou University, Huai’an, Jiangsu (Q.P.); Department of Pathology, Shanghai Pu Nan Hospital, Shanghai (L. Shen); James D. Watson Institute of Genome Sciences, Hangzhou, Zhejiang (J.W., H. Yang), China; Department of Biology, University of Copenhagen, Copenhagen, Denmark (Y. Yin); Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore (M. Choolani); School of Medicine, South China University of Technology (X. Jin); and BGI-Guangzhou Medical Laboratory, BGI-Shenzhen (X. Jin), Guangzhou, Guangdong, China