Advice! I’m 22 weeks pregnant. Haven’t spoken to my parents in months.

Hi all, I could use some advice. Long story, I’ve been dealing with some feelings around my history of sexual abuse, especially now that I’m pregnant and thinking about how to create a safe honefor the baby (my older brother abused me for years when I was little). I recently told my parents what happened. I’d already confronted my brother about it and worked through some things with him and figured I’d never tell my parents about it because they don’t react well to things like that (make it about themselves, turn to substance abuse), but after my older brother told me he’d been abused as a kid by a babysitter, and told my parents about it, and they did nothing, all this anger and rage came out toward my parents. I feel like they could’ve prevented my brother from abusing me if they’d done something. I found it too hard to pretend to have a “normal/everything is fine” relationship with them and one day I scream-cried everything to them. They hung up the phone on me when I finished talking and I haven’t talked to them since. This was about 3 months ago. They drafted a letter 2 months ago to send to me and my 4 siblings and sent it to me in an email titled “forgiveness” and it took me a while to get the courage to read it. I was upset when I read it and it brought up so many painful feelings all over again. I’m trying to keep away from stressful things while pregnant, but this is weighing on me. It’s weird not to be talking to my parents and I feel like I’m supposed to because I’m pregnant. I have so many raw, deeply upsetting feelings around them and my relationship with them. Am I crazy for cutting them out? I don’t have high hopes or expectations for bringing them back into my life in a positive way. I’m not feeling too hopeful and also feeling bad for bringing all this to light instead of keeping it a secret as I had done my whole life. 🤷‍♀️