Terrified of Motherhood

We are 38 weeks and I'm overcome with anxiety of being a good mom. We didn't plan this baby and got married quicker than planned when we found out. I am feeling very trapped about her arrival and all the things I feel like I didn't give myself the chance to do. I love my baby girl, so so much and I don't want to sound like I don't. It's just hard to not feel overwhelmed. Has anyone else felt this way? 😔😔