“…Intrinsic risk factors include congenital Fallopian tube defects, tubal ligation, tubal neoplasms, hydrosalpinx, hematosalpinx, excess tube length or tortuosity, excessive peristalsis, and tubal hypermobility or spasm. [ 4 5 6 ] Extrinsic risk factors encompass para tubal or ovarian masses, pelvic adhesions, mesosalpinx congestion, abrupt body motions, trauma, and pregnancy. These risk factors are assumed to create a hinge around which the Fallopian tube will twist one or more times.…”