I can think a couple of reasons.
https://www.npr.org/2021/07/26/1020810561/baby-bust-explaining-the-declining-u-s-birth-rate
I can think a couple of reasons.
https://www.npr.org/2021/07/26/1020810561/baby-bust-explaining-the-declining-u-s-birth-rate
hmmmmmm im sure the eastern bloc has absolutely no evidence that could answer this question