my 3 month olds size 1 diapers are barely fitting. I don't know if that's okay or not....

My 9 month old is a 3. He was 1 before he was a month!

My daughter is 12 days old and in size 1 lol.

@kayloniandkirksmommy, my son was in size two when he was that age. Definitely go up a size.