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I would also suggest you ask you doctor about the potential preparation for your child to insure you do not damage him/her by failing to insure everything is okay.[/B]</font>
Our daughter was a similar age for her first flight. Went without a hitch. As long as your child is in good health, should be fine. If he/her is prone to ear pain with the descent, give them a bottle to suck on and rub behind their ear.