Out of the various causes of infertility, 50 percent of causes can be attributed to the male factor. This can be due to mechanical factors or due to to abnormal semen parameters. Abnormal semen can vary from low sperm count and motility, absent sperms or dead and.abnormal sperms. In patients with absent or very low sperm count, FSH, testosterone and scrotal Doppler is advisable. Treatment options are assisted reproductive techniques like intrauterine insemination or ivf