Should or shouldn't aside, most of them give up:

"a 2010 meta-analysis by the Dutch academic Prof Renske Keiser, which suggested that only 10% of childless women (among the ones that break out their fertility period) actively chose not to become mothers. That leaves 90% of women like Day. Only 9% of that 90% are childless for known medical reasons."

https://www.theguardian.com/lifeandstyle/2017/oct/02/the-desire-to-have-a-child-never-goes-away-how-the-involuntarily-childless-are-forming-a-new-movement#:~:text=The%20closest%20we%20can%20come,childless%20for%20known%20medical%20reasons.