When I urinate I often have some urine that comes out when I think I am finished.  Does this effect my sperm count?  Thanks

How often can men have sex when trying to start a family?  Every other day? Every 3 days?  I have head mixed answers. What are the...

 My wife and I are trying to have children but I am worried that my frequent masterbation this past Winter, Spring, and Summer may have permanent...