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Diethylstilbestrol (DES)

By Krissi Danielsson, About.com

Updated December 10, 2007

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

Definition:

DES is a drug that was prescribed to some women in the 1960s and 1970s to reduce risk of miscarriage. DES has since been associated with increased risk of congenital uterine malformations in women whose mothers took the drug while pregnant.

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