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.
Getting ready for pregnancy: Preconception health Being healthy before pregnancy can help improve your chances of getting pregnant and can help prevent pregnancy complications.
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.