Losing my Mind

So I only need Advice I don’t need any Bashing I know how some females on here love bringing others down and think they know everything with that being said

I’m 12 weeks pregnant and will be in second trimester soon and I’ve been in a relationship with my bf for a Year almost 2

Today I woke up and his ex texted me where gonna call his ex E. E texted me on a fake account now keep in my mind E has made 2 fake accounts and almost 20 fake numbers to get a hold of me because I blocked E on everything

E texted me today telling me to stop faking my pregnancy that I’m not pregnant because my

Bf Told E that I couldn’t conceive even though he denies telling E and now that I’m actually pregnant and my bf has went to every ultrasound with me. E is having a hard time accepting it so E texted me on the fake account and told

Me all these things that only me and Bf would know and has done it before and every time my bf denies it E also texted me fake ultrasound Pics of saying she’s pregnant

My bf swears he never told E anything about my personal life but I don’t believe him because E knows a lot of my personal life only my Bf knows

So I’m starting to think he still Sees E and tells E everything about my personal life

This been happening since me and Bf started dating I don’t know if E is doing all of this because he won’t accept the fact that my bf is not with him anymore or if my Bf is still seeing E

The only way E can know stuff if is someone tells and the only person that knows stuff about is my bf

Sorry for the horrible grammar just really need advice