I did this with all three of my kiddies -- This is a standard constant freebie from Olan Mills. You can get a free portrait session with no sitting fees from Olan Mills with this coupon.
You can purchase other prints but you're not required too.
You'll get one 8x10, 2 5x7s and 8 wallets
Also look for the coupon in your complimentary diaper bags you get at the hospital.