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A member asked:
Can male fertility decline with age?
7 doctors weighed in across 2 answers
No specific age: It declines steadily but very slowly through a man's adult life. As a point of reference, a man is restricted from being a sperm donor at age 40.
Answered 8/13/2017
5.2k views
Recent evidence, yes: Recent genome and population studies associate paternal age with autism, schizophrenia, and possibly cancer. Mice studies show decreased fertility with middle age and altered sperm genes. An english study showed that men>45 years needed 5x longer to achieve pregnancy with partner. Male age particularly becomes a factor when women are in late 30's. With ivf, pregnancy rates are less for men >50.
Answered 4/24/2015
4.9k views
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