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.
Rh disease RH factor is a protein on some people's red blood cells. Learn how RH disease affects your baby and how to prevent it.
Blood clots and pregnancy Blood clots during pregnancy occur more easily for some women. Know the risk factors for blood clots and see how to treat them during pregnancy.