The hospital gives you stuff, but I like feeling normal!! :-) My bag: Wallet with I.D. & Health Cards,Comb, brush, soap/body wash, toothpaste, toothbrush,hair gel, hair ties, scarf, chapstick, lotion, socks, clothes for baby to go home & pics, comfortable clothes to go home, snacks, change, flipflops/shower shoes, batteries for camera (if needed), phone charger, computer and charger (if wanted), shower cap, stationary.. (I didn't bring towels, underwear, pads because they give you that stuff, & I didn't want to mess up mine.) Someone can bring the carseat.
I just read an article on that yesterday. I'm a first time mom too. It said a couple outfits for the baby snacks for your partner and you make sure your partner keeps track of everything maternity underwear toothbrush comb lose clothes a bathrobe slippers camera and batteries your phone and charger a rear facing infant car seat and I forgot the rest lol