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.
Bleeding and spotting from the vagina during pregnancy Bleeding or spotting during pregnancy are common, but you should contact your health care provider to make sure everything's okay.