Vasa previa: prenatal diagnosis by transperineal sonography with Doppler evaluation.

Journal Article (Journal Article)

Antepartum diagnosis of vasa previa is of critical importance because of the high fetal mortality rate in unrecognized cases. This report describes the sonographic findings in 2 cases of vasa previa and demonstrates that transperineal sonography with Doppler evaluation can successfully establish the diagnosis of vasa previa prenatally.