...Giovanny Vivas-Acevedo; Jesús Ricardo Lozano; María Isabel Camejo Aim: To evaluate the effect of presence, grade and anatomical side of varicocele on semen parameters and to identify age-related modifications in semen quality in men with varicocele. Methods: A prospective clinical study...

...Samiran Das Adhikary; Ganesh Gopalakrishnan Aims: To study the effects of left gonadal vein ligation on semen parameters and venous hemodynamics of the testis. Subjects and Methods: All male voluntary kidney donors who were scheduled to have left donor nephrectomy between March 2004 and February...

...Jun Gao; Er Sheng Gao; Mark Walker; Qiuying Yang; Jun Qing Wu; Quan Xi Zhu; Shi Wu Wen Aims: To establish reference values of semen parameters in a residential, geographic, and age representative sample of healthy Chinese men. Methods: From a national study of 1,191 healthy Chinese men, semen...

... quality has never been fully demonstrated. Methods: In the present work, a series of 426 young adult males undergoing percutaneous treatment of varicocele were studied and semen parameters were evaluated at baseline and 12 months of follow-up. Results: A significant increase in sperm cell concentration...