First Appointment Pre-Conception - Please Respond

Kelly β€’ 33y/o, PCOS Baby #1 16 April 2018 πŸ‘ΆπŸ½πŸ’“ Baby #2 4 October 2021 πŸ‘ΆπŸ½πŸ’™
So I have my first appointment with an OB GYN tomorrow for a pre-conception check up.
Can anyone tell me what to expect? Or what may happen. They mentioned something about a scan, would that be to see that everything is normal?