Some women don't heed warnings of acne drug danger during pregnancy conception

(Reuters Health) - It's long been known that the highly effective acne medication isotretinoin - marketed as Accutane and Roaccutane - is tied to the risk of severe birth defects. But even with a special program in place to prevent conception in women taking the drug, each year two to three hundred women in the U.S. become pregnant while taking it, a new study shows.