Barnhardt: We still trapped in a relatively crude conceptual model about how to prevent ye, right? Right? And it would be better if you could prevent oaton. Barnhardt's kind of a modern day version of john rock only now we know a lot more about female reproduction than we did in the 19 sixties. If i could stop women s eggs from growing and not losing them, i would allow you to get pregnant when you want. I would remove the biological clock, and you could get pregnant at 60 is ime.