Introduction: The presence of simultaneous pregnancies in at least two different places of implantation with polycystic ovary syndrome, it is usually a rare combination expected of infertility treatments. 
Objective: This report obeys the need of informing the medical community about the possible presentations of pregnancy in infertile women.
Case description: 32 years old patient with history of polycystic ovary syndrome is admitted in the emergency department due to severe abdominal pain on the right iliac fossa, with low transvaginal bleeding, the ultrasound reports 7-week intrauterine pregnancy by length measurement cranium caudal, free fluid in the pelvic cavity, the patient is intervened due to acute abdomen data and salpingectomy is performed, the removed sample is sent to the pathology department where is analyzed and ectopic pregnancy is reported. Cerclage at week 14 is placed and a correct evolution until the end of pregnancy is observed. At the term of 38 weeks the newborn births by cesarean section.
Conclusion: In a patient with a history of polycystic ovary and infertility whitout treatment an ectopic pregnancy was found through ultrasound in the presence of acute abdomen and intrauterine pregnancy of 7 weeks, these represent timely findings to prevent morbidity and bring to a successful term the intrauterine pregnancy as in this clinical case.