About Us

MotherToBaby, a service of the non-profit Organization of Teratology Information Specialists (OTIS), is the nation’s leading authority and most trusted source of evidence-based information on the safety of medications and other exposures during pregnancy and while breastfeeding. Our information service is available to mothers, healthcare professionals, and the general public. We also conduct state-of-the-art research on the safety of medications and vaccines in pregnancy.

The MotherToBaby California affiliate is based at the University of California San Diego School of Medicine in the Department of Pediatrics. Our specialists answer questions from residents of California, Washington, Hawaii, Alaska, Oregon, Guam, Puerto Rico, the Northern Mariana Islands, and American Samoa.