If a woman in her early 40s has sex with a man 15ish years younger does she have a better chance of getting pregnant than from a guy her age/older?

If a woman in her early 40s has sex with a man 15ish years younger does she have a better chance of getting pregnant than from a guy her age/older?
If the chances are better how much better are they?
If a woman in her early 40s has sex with a man 15ish years younger does she have a better chance of getting pregnant than from a guy her age/older?
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