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.
Premature babies Premature babies are born before 37 weeks of pregnancy, before they are fully developed. Learn how to care for your premature baby.
Spina bifida Spina bifida is when a baby's spine doesn't form correctly. It may cause a number of health problems and requires treatment.