[Pregnancy presence in residual uterine horn].

The development of the 20-th week pregnancy in residual uterine horn was observed in 25 years old women in first pregnancy. The pregnant women was hospitalised in the Department of Obstetrics and Gynaecology Medical University in Lodz. The acute stomach pain was the only symptom of disease. Ultrasound examination shows the presence of 20-th alive, normal pregnancy and the presence of adjunctive uterus. The patient was operated due to the signs of hemorrhage. The rupture of the residual horn and the presence of the pregnancy in the abdominal cavity was found. The postoperative status was normal.