Torn about letting my mom in the room.

I’m only 9 weeks but I’ve known since even before I became pregnant I never wanted my mom in the room when I have kids. I just know my mom, if you know what I mean. She gets very anxious and likes to “do the most” in situations and I know from past experiences I don’t want her in the room while under that kind of stress and actually delivering. But I do want my aunt there. Just her and the baby father. I have always gone to my aunt about things like talking to her when I started my period, started having sex, she was even the first person I told when I found out I’m pregnant. My mom knows I lean on her a lot but I feel like this would really hurt her feelings. My aunt is just my safe place, I feel relaxed when she’s around she always knows how to calm me down so of course I would want her there during labor and delivery. But my mom can get her feelings hurt easily and she’s even started talking about blocking the door if certain family members try to come in the room, meanwhile in my head I’m like I don’t even want you in the room. I hope this sounds reasonable I just don’t know how to tell her, it’s her first grand baby and she’ll be so hurt.