Zika virus and pregnancy Zika infection during pregnancy can cause a birth defect called microcephaly and other brain problems. Learn how to protect yourself from Zika.
Cystic fibrosis and pregnancy Cystic fibrosis (CF) is a genetic condition that affects breathing and digestion. You can get a CF carrier screening test to find out if your baby has CF, too.
Smoking during pregnancy Smoking during pregnancy can cause problems like premature birth and birth defects. If you need help to quit smoking, tell your health care provider.