The Effect of Different Treatment Modalities of Tubal Ectopic Pregnancy on Ovarian Reserve: a Prospective Cohort Study

Inclusion Criteria: * The study will include patients aged 18-44 years with known diagnosis or suspicion of diagnosis of tubal ectopic pregnancy (abnormal doubling rates of their b-HCG levels as well as ultrasonographically identified or unidentified gestational sacs outside the uterus) * Included patients must have capacity to provide informed consent. Given the potential emergent nature of presentation, women will not be recruited if fully informed consent could be compromised due to a highly distressed emotional state or significant hemorrhage necessitating the need for urgent surgery Exclusion Criteria: 1. The use of hormonal contraceptives within two months of enrolment 2. If other surgery was conducted at the time of salpingectomy. 3. If a woman was pregnant at follow up visit for AMH measurement 4. History of previous surgeries of fallopian tubes and/or ovaries