[Hydrometrocolpos: prenatal diagnosis. A case report].

: Hydrometrocolpos is cHaracterized by a vaginal obstruction with cystic dilatation of uterus and vagina caused by accumulation of cervical and endometrial mucus. It could be in association with other malformations, such as postaxial polydactyly, anal atresia, esophageal atresia, renal agenesis, genital anomalies, cardiopathy or autosomal recessive disorder. The appropriate prenatal detection with the help of prenatal ultrasonography differential diagnosis and early treatment and prevention of complications.