 The simple size for pilot study was been calculated in 20 patients, according with Browne for not knowing the variability of the treatment. 10 patients in the group of Polypropylene mesh Prolene , braided monofilament thread, macropore, weight of 108.1 gm2, fibres diameter of 0.53 mm, tensile force of 156.6 Ncm, with a pore of 1.6 mm2, in different size of 15 x 15 cm, 20 x 20 cm and 30 x 30 cm, and 10 patients in the group of mesh of PEBD mosquito net, braided monofilament thread, macropore, ,weight of 53.7 gm2, fibers diameter of 0.48 mm, tensile force of 42.7 Ncm and pore of 1.8 mm2, in different size 15 x 15 cm, 20 x 20 cm and 30x 30 cm donated by Dr. Ravindranath R. Tongaonkar. The sterilization were done in ethylene oxide. 