Long-term use of acetaminophen during pregnancy associated with ADHD in offspring

Use of acetaminophen during pregnancy for more than 29 days was associated with a more than twofold increased risk of ADHD in offspring, according to results of a large observational study published in Pediatrics.

http://pediatrics.aappublications.org/content/early/2017/10/26/peds.2016-3840