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.
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.
Folic acid Folic acid is vitamin B9, which can help prevent neural tube defects in your baby. Learn which supplements and foods are good sources of folic acid.