Further evidence to support the Sampson Retrograde menstruation Transport of endometrial cells via the theory comes from the observation that factors obstructing fallopian tubes into the lesser pelvis, permitting menstruation, such as congenital anomalies together with implantation of endometrial lesions imperforate hymen and iatrogenic cervical stenosis, increase Metaplasia Transformation of peritoneal tissue/cells into retrograde menstruation and heighten the danger for developing endometriosis. Note: it is a comparatively rare, life-threatening complication that normally happens within the quick postoperative period however can occur later within the restoration part. Most research discovered no important ageeffect on sperm concentration, motility, or morphology gastritis and dyspepsia cheap maxolon 10mg with amex.