- Alcohol should be avoided at any time during pregnancy
There is no known safe amount of alcohol use during pregnancy or while trying to get pregnant. Drinking alcohol during pregnancy can cause miscarriage, stillbirth, and a range of lifelong physical, behavioral, and intellectual disabilities.
Dangers of smoking cigarettes during a pregnancy include preterm birth, certain birth defects, and infant death. Even being around tobacco smoke puts a woman and her pregnancy at risk for problems.
- Avoid marijuana and other "street drugs"
A woman who uses any drugs during pregnancy can have a baby who is preterm, of low birth weight, or has other health problems.
some infections during pregnancy can be harmful to the developing baby and can even cause birth defects. Prevention for infections during pregnancy include frequent hand-washing, cook meat until done, and stay away from people who have infection.