[Hematocolpos].

The diagnostic circumstances, clinical features and complementary explorations in hematocolpos are discussed. Hematocolpos due to imperforate hymen is treated by simple star incision protecting the Bartholin gland orifices to separate the hymen and the meatus. Hematocolpos resulting from duplex uterus with a blind hemivagina is more difficult to treat. Systematic screening at birth and treatment during infancy is proposed to prevent the development of hematocolpos at puberty.