50 years ago, scientists found a link between aspirin use and pregnancy complications

Excerpt from the October 2, 1971 issue of Science News

A bottle of aspirin

Even now, 50 years after the first evidence that aspirin could be harmful for fetal development, parents struggle to find clear guidance for taking aspirin during pregnancy.

smartstock/iStock Editorial/Getty Images Plus

Aspirin and Birth Defects: Fetal Cell Inhibition Science News, October 2, 1971

Although aspirin has triggered defects in rat and mice fetuses, the evidence suggesting aspirin taken by women during pregnancy can harm their offspring has been circumstantial at best.