Newborn vs. Size 1 Diapers: Which Size Should I Buy ...
Sep 20, 2019·Most hospitals stock Newborn size diapers for new babies. Most babies when they are born use Newborn diapers. Size 1 diapers. Most standard size 1 diapers are designed to fit babies 8-14lbs. But, as we know, all babies are different and each diaper brand can fit a little differently also.