For egg freezing, a new procedure, there’s limited success rate data available because few of those who’ve frozen their eggs have come back to have them fertilized and implanted, but here’s a link to an info and advocacy website called
A recent article in the Atlantic by Jean Twenge on fertility rates among women 35-39 has lots of people talking about later motherhood again. Her data and argument echo a lot of the points I made in Ready, with particular
Part of the background to the current confusion about how long fertility lasts is the fact that there is very little good data. … The closest thing to a thoroughly controlled experiment of women’s fertility so far involved a Protestant religious sect called the Hutterites, pre-1950.