I have no understanding of what you mean by quality and even if true – what’s your point?
“shmoel
And there is no biological degradation until at least the late-50’s.”
ChanieE -“The scientific literature indicates that it starts earlier.
I guess that depends which studies you read … Interested parties should contact their doctors instead of relying on coffee room experts”
You seem to have an agenda and I’m not sure what it is.
I am in the medical field and I just rechecked it. Healthy men can have kids even into their 80’s. Whatever point you are trying to make about quality, even if true, is irrevelant. The reason a woman in her 30’s should consider a man in his 40’s -50’s is because her time clock is running out, while a man’s time clock will go on till his 80’s. Once the woman can’t have kids anymore, she is limited to men who can’t or don’t want kids.