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.
March of Dimes leads the fight for the health of all moms and babies. We use research, advocacy, and education to give every baby the best possible start.
Low birthweight is when a baby is born weighing less than 5 pounds, 8 ounces. Learn about the causes, risks and health-related effects of low birthweight.