The only way to tell is to try and see. Of the chair has a 5 point harness then its almost certainly fine. Come new high chairs are padded and concave and offer a lot of support. Also some high-chairs recline. Most highchairs have different reclines to them. If this is the case with yours, slant it back as far as it goes and gradually put it up levels as your baby progresses with his sitting-up. Always supervise your child while in the seat for safety. Wait until the baby can balance himself Read more...