Risky Pregnancy Drug Raised Daughters’ Cancer Odds, National Cancer Institute Study

A drug that millions of pregnant women took decades ago to prevent miscarriage and complications has put their daughters at higher risk for breast cancer and other health problems that are showing up now, a new federal study finds. Many of these daughters, now over 40, may not even know of their risk if their mothers never realized or told them they had used the drug, a synthetic estrogen called DES.

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