[Spontaneous rupture of gravid rudimentary horn of an uterus bicornis unicollis without connection with the cervical channel (author's transl)].

It is reported on a 24-year-old nullipara, who came to be operated with the diagnosis of perforated extrauterine gravidity. It was the question of the perforation of a gravid uterus bicornis with missing connection of the gravid horn to the cervical channel. The importance of an early diagnosis of uterus malformations is pointed out. The modus of implantation in the atresic uterus horn is placed under discussion.