Reproductive years: It will be best during reproductive years, such as 20 to 50, but obviously man may have viable sperm outside this range. It is more important to consider a person's history and risk for infertility.
Answered 5/14/2014
5.9k views
18 - 40 years: Almost any age, providing donor is healthy.
Answered 7/5/2012
5.9k views
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A doctor has provided 1 answer
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