A.>60% B.>50% C.>30% D.>70% E.>40%
A.<1% B.<4% C.<5% D.<3% E.<2%
A.>8ml為精液過多 B.<1.15ml為精液減少 C.1~2滴為無精癥 D.<1.5ml為精液減少 E.>8ml見于長時間未射精