Semen analysis: A routine semen analysis ('sperm count') is the only clear way to know. Personal history and symptoms may be helpful additions but are not at all reliable by themselves.
Answered 4/26/2012
5.9k views
Impregnating partner: This is the ultimate test.Is making her pregnant. Semen analysis can tell you whether or not you sperm are likely to be good for making a baby. Pregnancy is definitive.
Answered 4/26/2012
5.9k views
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