Pregnancy and losing old friends

I’m just getting into my second trimester and a close friend of mine has known we were pregnant from the start (she knew we’ve been wanting our rainbow for a long time) but since getting pregnant, she’s gotten very distant, been cancelling plans the day of, saying she’ll be in touch about a day we planned to meet up and then never is, etc. She just feels distant and I’m definitely getting the vibe that we’re growing apart. She says she doesn’t want a long term relationship or a baby (and I’m a bug believer in “you do you”! Whatever life you want, hell ya make it happen however you want) but she behaved in a similar way when I first got engaged, so I’m wondering if maybe she does want a different lifestyle🤷🏻‍♀️ Either way, it just bums me out since we used to be so close and my lifestyle changing shouldn’t make a friendship of 10 + years fade, but I feel like it is. Any advice? Any ladies been through something similar?