Wendy, was it you that asked about newborn-sized diapers? The posts are all backlogged now. I would say, if you buy any more diapers, buy the size ones. Colin is already outgrowing his newborn diapers. They still fit around his waist, but they don't come up very high, and he "wets" himself once in a while b/c it just spills out the top. You'll do fine with the newborn size diapers no matter what size your baby ends up being (unless he's 13 lbs. or something!), but from here on out, probably buy the bigger ones. You can always close them tighter.