A 36-year-old male asked:
does a man's sperm get bad or old as they age? i heard that i man can have kids at any age. i also hear that new studies show that's not the case.
2 doctor answers • 8 doctors weighed in
Emergency Medicine 20 years experience
Yes and no: Kathryn,
A man's sperm is capable of fertilizing an egg for their entire life. That being said, recent evidence suggests that motility and sperm count do tend to decrease over time. Hope this helps!
Pediatrics 46 years experience
Age issues: Yes a male can conceive normal kids well past their sixties and the proportion that would be normal is considerably higher than females.Males produce sperm from stem cells continuously & only the healthiest swimmers get through to fertilize an egg.(natural selection) All a women's eggs are there from birth & accumulate age related injury.That said there is some male age effect,just not as dramatic
Last updated Nov 28, 2017
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