Structural birth Defects related to how a body part/structure looks D Cleft lip/palate Heart defects, e.g. misshaped valves Abnormal limbs, e.g. clubfoot Neural tube defects, e.g. spina bifidaStructural Birth Defects  related to how a body part/structure looks  Cleft lip/palate  Heart defects, e.g. misshaped valves  Abnormal limbs, e.g. clubfoot  Neural tube defects, e.g. spina bifida