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.
Sickle cell disease and pregnancy Sickle cell disease (SCD) is when your red blood cells are shaped like sickles. Learn about sickle cell disease and pregnancy.
Pregnancy after age 35 If you get pregnant after 35, you may need prenatal tests to check for birth defects. Learn about pregnancy after 35.