- No link found between acetaminophen use during pregnancy and adverse birth outcomes like preterm birth or birth weight.
- Study involved over 8,900 mother-infant pairs from NIH's ECHO program.
- Acetaminophen use associated with lower odds of a child being large for gestational age (LGA).
- No association with preterm birth, birth weight, or small for gestational age (SGA).
- Findings provide reassurance on safety regarding birth timing and infant size.
- Further research needed on dosing, timing, and other health effects.