Catalog
Constriction rings
Link to WHO Definition
Constriction rings – http://id.who.int/icd/entity/1033549095
A condition caused by entangling of fibrous bands of the amniotic sac around a developing fetus. This condition may present with circular indentation around a digit or limb, swelling, restriction of the lymphatic or venous flow, limb development defects, or in utero amputation.