Yeah me too. I have also seen that story of a 47-50 year old who has teens, and then falls pregnant (NATURALLY!) 😆
I have known about half a dozen women - in my life - who had a baby 15-20 years after the last one, but they were 36-42, Not 50. And NO woman I know has ever had a baby 30 years after her first!
Soooo much anecdata on here from some posters claiming this aunt and that granny had a baby at nearly 50, naturally. It's quite remarkable. and as I said they were, in most cases, the granny!
As you said, even if natural conception (at 48-50ish,) did happen, it would be vanishingly rare. And the way some posters are peddling having babies as something that is easily possible, and can happen to anyone and everyone at 48-50, is both misleading, dangerous advice, and quite cruel (filling women with the hope that they can conceive after 45 so easily.)
The amount of women becoming pregnant naturally, when they are knocking the door of 50 - is microscopic. As some posters have said, there is a reason for this. IMO I don't think it's a good idea to become a parent after 42 y.o. I wish Ant and his wife well, but someone having a baby past their early 40s doesn't sit well with me.