Congenital syphilis Congenital syphilis is when a baby is born with syphilis, passed by the mother during pregnancy. Seek treatment if they're diagnosed after birth.
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.
Smoking during pregnancy Smoking during pregnancy can cause problems like premature birth and birth defects. If you need help to quit smoking, tell your health care provider.