California BIRTH Defects Monitoring

What are Limb Deficiencies?

Upper and lower limb reduction defects occur when a part of or the entire arm (upper limb) or leg (lower limb) of a fetus fails to form completely during pregnancy. The defect is referred to as a "limb reduction" because a limb is reduced from its normal size or is missing.

Content provided by the Centers for Disease Control and Prevention (CDC). For information and references about Prevention, please visit: Facts about Upper and Lower Limb Reduction Defects.