Facts: Numerous studies on animals have shown that caffeine can cause birth defects, premature labor, preterm delivery, reduced fertility, and increase the risk of low-birth-weight offspring and other reproductive problems.

Does caffeine affect pregnancies?

Consuming large amounts of caffeine during pregnancy may increase the risk of miscarriage or low birthweight, so it's best to limit your intake of caffeine.

Does caffeine affect fetal growth?

Consuming caffeine at any time during pregnancy is associated with an increased risk of fetal growth restriction (low birth weight), according to new research.