A teratogen is any substance or process that may interfere with the normal development of a fetus or cause birth defects.
Teratogens include alcohol, many drugs and medicines, some metals (such as lead or mercury), radiation, and some infectious diseases (such as rubella).
|Primary Medical Reviewer||Sarah Marshall, MD - Family Medicine|
|Specialist Medical Reviewer||Siobhan M. Dolan, MD, MPH - Reproductive Genetics|
|Last Revised||April 4, 2012|
WebMD Medical Reference from Healthwise