For most cases the diagnosis for<unk>  is not made until the infant is born. One procedure that is helpful in determining this condition in an infant is an ultrasound examination of a fetus when still in the mother's abdomen as it can reveal the absence of a limb. However, since ultrasounds are routine they may not pick up all the signs of some of the more subtle birth defects.
Congenital amputation
Hand injury
Burn scar contracture
Brachial plexus injury
Heel stick wound
Malunion
Stingray injury
Vein graft failure