Kinda long but advice please,??

Ok so I’m going to be giving birth to my first baby soon. Idk if the baby’s father will show up when I’m in labor but if he does, months ago he said he was gonna be in the waiting room, which I’m fine with because he’s never been good to me or helped with stress etc, not gonna get into it. His mom messages me a lot because she only just found out not too long ago because he; at 27 years old could not work up the balls to tell her, I know she wants to be there when the baby’s born, but I don’t really know her and I’m not comfortable with her being in the room while I’m in labor or pushing, and I don’t want her to come in immediately because then it’s just too much stress. But she’s so kind and excited and I just don’t want to kill that for her. But then again, this is my labor, and my baby; and I want to be comfortable and not stressed out and get to have the full attention to my child so I can do skin to skin and breastfeeding as long as all allows us right after he’s born. Idk what to do or how to even bring it up to her. I never get replies from the father when I try to ask so I’m not even sure what to do there but I also don’t want to have a plan and then he comes in and does whatever the hell he wants because he didn’t feel like talking about it before hand. I guess I just need advice