Aim: To compare two transobturator tension free vaginal tape procedures; TVT-O Gynecare vs. TOT mentor for management of USI. This study will compare the surgical approach & tape material in both procedures [In-Out (TVT-O) Vs. the Out-In (TOT)] as regards to; Complication rates, Objective & subjective cure rates, Patient satisfaction & quality of life (QoL) changes.