Welcome To OTIS!
OTIS, the Organization of Teratology Information Specialists, is a non-profit organization made up of individual services (TIS) throughout North America. We are dedicated to providing accurate evidence-based, clinical information to patients and health care professionals about exposures during pregnancy and lactation. If you have questions about your risks please locate a service near you by clicking on the map above.

Pharmacist Clinical Specialist Gerald Briggs is a pioneering authority in the area of medications and pregnancy. He has authored dozens of papers in journals and books regarding drug therapy in pregnant and breastfeeding women. In addition, he is the senior author of Drugs in Pregnancy and Lactation, which has quickly become a must-have for many doctors with pregnant patients. Briggs is affiliated with MemorialCare, a group of five hospitals, in Long Beach, California. Briggs also serves as the co-chair of the OTIS Research Committee. He is the senior editor of a book released in 2009, Diseases, Complications, and Drug Therapy in Obstetrics and is a clinical professor at the University of California, San Francisco, and the University of Southern California, Los Angeles.