Fig. 2From: RISUG® as a male contraceptive: journey from bench to bedsideRISUG: mode of action. (A) Vas is exposed from inguinal region and RISUG is injected in both vas deferens towards distal region by a micro-syringe. (B) RISUG coats the wall of the vas deferens blocking sperm movement. (C) Complete reversal obtained after DMSO/NAHCO3 is injected bilaterally, flushing component of RISUG [37]Back to article page