I'm on standby for induction today which means I'm basically on call. They'll call me as soon as they have room for me…

I'm on standby for induction today which means I'm basically on call. They'll call me as soon as they have room for me but there's people ahead of me. And we have known this whole time that I wasn't guaranteed to get in today. MIL is being a total butch about it. She had to go to work since I'm not at the hospital and she came in and said "I have to go to work now since you're not actually getting induced, thanks a lot!" In a bitchy tone. She keeps bitching at me and my fiancé for not having the answers to her questions about when I'll be able to go to the hospital. I'm so annoyed!!!!!