About Us

The Pregnancy Risk Information Line is a statewide, telephone service operated by the California Teratogen Information Service (CTIS) and Clinical Research Program.

  • Call or email, we may have answers to your concerns about the effects of medications or illness on pregnancy.
  • Your call is free and confidential
  • Information based on current scientific data

CTIS is based at the Dysmorphology and Teratology Division of the Pediatric Department of the University of California San Diego Medical Center. CTIS also has satellite offices at the following locations:

CTIS is a member of the

CTIS refers inquiries to Dr. Phillip O. Anderson, at UCSD Drug Information Service. Or call .



U C San Diego Medical Center
Department of Pediatrics
Division of Dysmorphology and Teratology

Satellite Offices

UC Los Angeles
School of Public Health

Institute for Fetal and Maternal Health
Children's Hospital Los Angeles

Stanford University Medical Center
Department of Pediatrics
Medical Genetics

Center for Behavioral Teratology
San Diego State University