Drinking or using drugs during pregnancy increases the chance of miscarriage as well as the risk of having a baby with physical and emotional problems. These problems can range from mild problems to severe birth defects.
Fetal alcohol syndrome is a combination of physical and mental birth defects caused by exposure to alcohol before birth. About 1 in every 1,000 babies is born with fetal alcohol syndrome.
A baby born with fetal alcohol syndrome may have:
Marijuana use can cause premature delivery, small size, and low birth weight. Cocaine and amphetamine use can cause spontaneous abortions, preterm labor, and low birth weight. A baby of a mother addicted to heroin, cocaine, or amphetamines may experience severe symptoms of drug withdrawal shortly after birth. Also, human immunodeficiency virus (HIV) infection can be transmitted from shared needles used to inject drugs. HIV can then pass to the baby from the infected mother before birth.
Some of the damage caused by alcohol and drug use can occur very early in pregnancy. If you are thinking about becoming pregnant, stop drinking or using drugs before trying to become pregnant. Exposure to drugs or alcohol is particularly damaging during the first 3 months (first trimester) of pregnancy. Some women do not even realize that they are pregnant during this time.
Last Revised: October 13, 2011
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