Prolapse of the umbilical cord is a rare obstetric emergency that in the viable fetus necessitates an expeditious delivery. A case of a periviable pregnancy complicated by preterm premature rupture of membranes and overt umbilical cord prolapse was prolonged 2 weeks with expectant management is described. An extensive review of the literature regarding the etiology, risk factors, and management options for umbilical cord prolapse in both viable and previable pregnancies accompanies this report.
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