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.
Polyhydramnios Polyhydramnios is when you have too much amniotic fluid. Learn how polyhdramnios is diagnosed and treated.
Low birthweight Low birthweight is when a baby is born weighing less than 5 pounds, 8 ounces. Learn about the causes, risks and health-related effects of low birthweight.