When do you move up a diaper size?

PrideandJoy29

DS is currently in size 1s but he always leaks through them. He's 2 months and 13 pounds, and size 2s are from 12-18. Should I move up a size? Are diaper sizes just about weight?

FrickandFrack

Ditto pp, go by the fit. If it's leaking, move up.

PepperStick

Another vote for going by fit, not weight guidelines. DS is 7 months and has been in size 4 for around 2 months? He's 19lbs. He probably could have lasted another month in size 3 but DH accidentally bought the wrong size.

We use the same diapers

Nita2603

Another vote for going by fit.

Court0026

I always found the weight guidelines to be "off" for my kids.  Try the next size!

Vol4life

OK my DD is a peanut! She is 1 year and is 22 lbs and in size 3s. We might move up to 4s when this case is done. But I do go by weight and it has worked
For us so far. DD hasn't had too many problems leaking through.

MJHershey

I went by size too. DS sped up the sizes and then halted. He has been in size 4 for ages nowadays he's 33 lbs and almost 2 1/2. Narrow waist. :

alli&dan

I always go by fit and never go by the weight guidelines on the diaper package. I usually have to move up a size for the night time diapers first, then her day diapers. B is 23 lbs and in size 5s now. I feel they're a little big, but she was blowing ou