When cutting down on caffeine during pregnancy, read labels. Some researchers believe there is an association between caffeine use and miscarriage or premature labor. Caffeine crosses the placenta to the baby. It can affect calcium metabolism of the mother and the baby. Your caffeine consumption may also increase the chances of breathing problems in your newborn.
Caffeine passes to breast milk, which can cause irritability and sleeplessness in a breastfed baby.
An infant metabolizes caffeine slower than an adult, and caffeine can collect in the infant. Effects of caffeine on you during pregnancy may include irritability, sleeplessness and jitters. Smoking may compound the stimulant effect of caffeine. Limit the amount of caffeine you consume. Eliminate as much as you can from your diet.