O. Geifmanholtzman et al., PERSISTENT UROGENITAL SINUS - PRENATAL-DIAGNOSIS AND PREGNANCY COMPLICATIONS, American journal of obstetrics and gynecology, 176(3), 1997, pp. 709-711
Prenatal diagnosis of fetal hydrocolpos caused by persistent urogenita
l sinus is described. The urethrovaginal communication allowed urine t
o empty from the bladder into the vagina, which subsequently dilated,
causing bilateral hydronephrosis, distention of the fetal abdomen, dec
reased urinary output, oligohydramnios, and abdominal dystocia at deli
very.