Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, CA, United States. Institute for Human Genetics, University of California, San Francisco, San Francisco, CA, United States. Department of Pediatrics, University of California, San Francisco, San Francisco, CA, United States. Division of Pediatric Infectious Diseases and Global Health, University of California, San Francisco, San Francisco, CA, United States. Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California San Francisco, San Francisco, CA, United States. Department of Family Health Care Nursing, University of California, San Francisco, San Francisco, CA, United States. Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, United States. Center for Reproductive Sciences, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California San Francisco, San Francisco, CA, United States. Department of Medicine, University of California, San Francisco, San Francisco, CA, United States.