This is all of the top of my head. You can always Google what to pack when having a baby that's what I did and it helped alot
For your boyfriend cash and two sets of clothes like PJs and day wear. The baby needs two pairs of clothes,mittens, and socks. Also if you want to bring your diaper bag that's good too but the supply you with stuff for the baby in post partum. You require a bit more. I suggest bringing your pregnancy pillow it will help u sleep. If you are breast feeding bring your breast pump. You will need 2 sets a PJs and 2 sets of comfy clothes.a camera to take pictures. Your information unless you pre register.the car seat for the baby needs to be updated and strapped in.