Affiliation: | 1. Department of Obstetrics, Gynecology, and Reproductive Sciences, Division of Maternal-Fetal Medicine, University of California, San Francisco, California, USA;2. Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Francisco, California, USA;3. Department of Obstetrics, Gynecology, and Reproductive Sciences, Division of Maternal-Fetal Medicine, University of California, San Francisco, California, USA Fetal Treatment Center, University of California, San Francisco, California, USA;4. Department of Obstetrics, Gynecology, and Reproductive Sciences, Division of Maternal-Fetal Medicine, University of California, San Francisco, California, USA Department of Pediatrics, Division of Medical Genetics, University of California, San Francisco, California, USA Fetal Treatment Center, University of California, San Francisco, California, USA Institute for Human Genetics, University of California, San Francisco, California, USA |