None: There is no age at which men become infertile. Fertility can decline very slightly with age, but men can remain fertile until they die!
Answered 6/10/2019
5.3k views
4 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question