Its fascinating that the pill can also change the type of male women are attracted to. Given it is so ubiquitous it can completely change society and evolution. (Of course the falling birthrate is hugely changing society as well)
https://www.npr.org/2020/05/09/852807455/how-the-approval-of...
EDIT: Looks like I might be completely wrong (although the caveat about hidden variables stands):
"But an even bigger positive is what comes when we look at the divorce rate. Despite the whole my-sex-life-is-meh-and-I-am-not-that-attracted-to-my-partner thing, women who chose their partners when they were on the pill were significantly less likely to divorce than women who chose their partners when they were off it."
https://behavioralscientist.org/quality-sex-relationships-bi...
There's a lot more detail in the link.