Amniotic band syndrome

Amniotic band syndrome; Amniotic constriction bands; Constriction band syndrome; ABS; Limb-body wall complex; Constriction rings; Body wall defect

Amniotic band sequence (ABS) is a group of rare birth defects that are thought to occur when strands of the amniotic sac detach and wrap around parts of the baby in the womb. The defects may affect the abdomen or chest as well as the face, arms, legs, fingers, or toes.



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