President Trump urged pregnant women to avoid taking Tylenol in a White House announcement in September 2025. Francis Chung/Politico/Bloomberg via Getty Images hide caption President Trump told pregnant women in September 2025 to avoid Tylenol because taking it would increase their babies' risk of autism: "Taking Tylenol is not good -- I'll say it: It's not good.

After President Donald Trump told pregnant women to "fight like hell" not to take Tylenol, orders for it declined among pregnant women who visited emergency departments, according to data published Thursday in the medical journal The Lancet.