When telling your parents you were pregnant ...

I’m telling my parents this weekend in person with my boyfriend and I just feel like they are going to be upset :(( but I’m hoping that I’m just overthinking and that everything really is okay. Which my boyfriend keeps reassuring me that they will be happy. But, just because I know my parents I feel like they won’t be. I’m 23 and always been a good kid, graduated college and everything but this is something me and my boyfriend planned and we live on our own now, ready to start a family — we will be 3 years together on July 25th.