Intraligamentary pregnancy is a rare form of ectopic pregnancy and a type of abdominal pregnancy, preoperative diagnosis is very difficult. This paper describes the case of a 24-year-old woman with a history of uterine curettage uncomplicated; she consulted due to abdomina pain in the right lower quadrant of seven days of duration, which gradually increased in intensity being 10/10 visual scale analogous (VAS). Obstetrical ultrasound was performed reporting: ectopic localization to annex right of 15.2 weeks gestational age, with heart rate of 152 beats per minute. The patient was admitted and underwent to emergency exploratory laparotomy, which found right paratubaric ectopic pregnancy. The histopathology report was of broad ligament ectopic pregnancy. Specimen of 9 x 8 x 7.5 cm and 200 grams.