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.
Marfan syndrome Marfan syndrome is a birth defect that affects the body's connective tissue. Learn the signs and symptoms of Marfan syndrome and how it's treated.
Ectopic pregnancy Ectopic pregnancy is when an embryo develops outside of the uterus and always ends in pregnancy loss. Learn about the symptoms, diagnosis and treatment.