Birth defects can cause problems in overall health, how the body develops or how the body works. Babies with birth defects may need special medical care.
Phenylketonuria (PKU) is a condition where your body can't break down an amino acid called phenylalanine. Learn to recognize PKU symptoms and treatments.
Vaccinations can help protect you from infections that can harm you and your baby during pregnancy. Make sure your vaccinations are up to date before pregnancy.