Fetal acetaminophen exposure increases the likelihood that a child will develop attention-deficit/hyperactivity disorder (ADHD), according to a study published Feb. 6 in Nature Mental Health. Prior research shows that upward of 70% of pregnant women use acetaminophen during pregnancy to control pain or reduce fever. The drug, which is the active ingredient of many pain-relief medications, is one of the few considered safe to take during pregnancy by the U.S. Food and Drug Administration. The new findings suggest, however, that doctors should reconsider prescribing medications with acetaminophen to mothers during pregnancy, the researchers said. “Most of the prior studies asked...