Babies of women who use drugs may have lifelong problems or even die. Using drugs can also harm the mother. Using cocaine or other drugs can cause miscarriage, stillbirth, or brain damage. Marijuana can cause a baby to be born too early or too small. A baby whose mother uses heroin may be born addicted and go through withdrawal.
Drug use can put the mother in danger, too.
For example, using drugs can cause the placenta to separate from the inside of the uterus before the baby is born. This can cause severe bleeding. It's best not to use drugs at all while you are pregnant. If you use drugs, the time to quit is now. But that can be hard to do by yourself.