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Choosing the right diaper size
A diaper that is too big leaks, one that is too small leaves marks. Weight is the only reliable guide.
Go by the weight printed on the pack, not by age. Two babies of the same age can be two sizes apart.
When your baby sits between two sizes, keep the smaller one for the day and take the larger one for the night: you gain capacity when it matters most.
Two signs that it is time to move up: red marks on the thighs or stomach at change time, or repeated leaks while the diaper is not full.

