It's well known that heavy drinking in pregnancy can cause birth defects, but less certain are the effects of very light drinking. While no amount of alcohol is definitely safe, doctors are not sure if limited amounts of alcohol will harm a baby. Different women are able to handle alcohol in different ways. The safest and healthiest route for pregnant women is to avoid alcohol, even if the risk turns out to be minimal. Follow the links below to find WebMD's comprehensive coverage about how alcohol affects a baby, if it's safe for pregnant women to drink, and much more.