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.
Signs and symptoms of preterm labor Labor before 37 weeks may cause severe problems for your baby. Know the signs of preterm labor and what to do if you go into labor early.
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.