Introduction: Ectopic pregnancy is dreadful and can lead to the death of the patient if it is ignored. Diagnosed early, it offers the possibility of medical treatment with methotrexate. Objective: To describe the prognosis of ectopic pregnancies treated methotrexate. Patients and Methods: Retrospective study of the management of ectopic pregnancy by Methotrexate at Senlis hospital from June 2020 to May 2021 were included in the study, patients with a Fernandez score of less than 13, and having received Methotrexate as first-line treatment. Data were collected using gynecological emergency admission registers, and telephone interviews. Results: 35 cases were identified. The average age of the patients was 32 years old. Forty-nine percent were smokers. The mean gestational age was 5 weeks + 2 days. The diagnosis was made in all of our patients with the combination of the kinetics of ß-hcg and vaginal ultrasound. The size of adnexal mass was less than 4 cm with an average size of 20 mm. The average value of ß-hcg was 1405 IU/L. All patients had received a single dose of methotrexate 1 mg/kg intramuscularly. A second dose was administered to 17.1% of patients for stagnation or re-ascension of the ß-hcg level. The success rate was 91.4%. Thirty percent were obtained spontaneous intra uterine pregnancy, the first year following methotrexate treatment. Conclusion: The success rate of medical treatment for ectopic pregnancy is high in terms of meeting the eligibility criteria for treatment. The subsequent prognosis of fertility is generally preserved.