That is the worry. DD 2.8 appears to have the bladder of a horse. She will wee just after she gets up aboout 7 am, the has breakfast two weetabix plenty of milk, maybe half a tumbler of water, snack of apple at 10ish, water/milk available all day, eats lunch 1ish another few sips of water, and she often does not wee until 3!
So 7am to 3pm should I worry? she then has a wee usually after dinner about 5 and then at half six before bed. On occasion it does smell strong but thats it.