the three most important factors influencing return of fertility after vasovasostomy are ( 1 ) a meticulous microscopic technique for reconnection , ( 2 ) the duration of time the vas deferens has been obstructed , and ( 3 ) the presence of absence of a sperm granuloma at the site of the vasectomy , venting the long-term pressure buildup which otherwise would occur .
C0042360
vas deferens
C0042387
vasectomy