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.
Bacterial vaginosis and pregnancy Bacterial vaginosis (BV) is a common infection caused by a certain bacteria in the vagina. Learn about the causes and symptoms of BV.
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.