Has anyone noticed that there are many women who give birth in their 40s?

I always thought womens fertility ended at 40. But from what I have recently seen, there also are many women who have given birth in their 40s without IVF. Just natural sex. I just found out about this not too long ago. Has anyone also found this to be true?

Has anyone noticed that there are many women who give birth in their 40s?
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