Small: Unless the male partner is 50 years of age, or usually even older, the role of paternal age is usually very small compared to that of the mom - not zero, but small.
Answered 11/25/2016
5.9k views
Age effects: Women get the blunt of aging effect due to the basics of reproduction.Women are born with all the eggs they will ever release and the effect of background radiation/toxic exposures add up.Men produce sperm from stem cells and essentially make a new batch daily.The healthiest and best swimmers are the most successful for conception.This natural selection spares some of the age issue for men.
Answered 11/25/2016
874 views
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3 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
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