Normal prior to 12 wk
Omphalocele—covered by membrane; associated with structural and chromosomal anomalies Gastroschisis—free-floating bowel; no associated anomalies Bladder or cloacal extrophy = omphalocele, imperforate anus, myelomeningocele Amniotic bands
Pentalogy of Cantrell—ecotopia cordis; omphalocele
Limb-body wall complex—neural tube defect, limb anomalies, short straight umbilical cord
Beckwith-Wiedemann = omphalocele, macroglossia, visceromegaly
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