Small baby

Je
So im 36 weeks and had my ultrasound and they said everything looked great shes just small they said shes 3lbs 15oz so i guess that would round off to 4lbs has anyone else been told this its my second baby my daughter was 5lbs 9oz when she was born and she was small to so id love if someone could tell me if they have had small babies like my baby girl as well