PKU (Phenylketonuria) in your baby Phenylketonuria (PKU) is a condition where your body can't break down an amino acid called phenylalanine. Learn to recognize PKU symptoms and treatments.
Premature babies Premature babies are born before 37 weeks of pregnancy, before they are fully developed. Learn how to care for your premature baby.
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.