Newborn Vs 0 3 Months Size

Carters are about the only clothes that fit her really well right now.
Newborn vs 0 3 months size. Up to 3 months. Up to 6 months. What if the baby is born at about 8lb they are not going to last 5 minutes. How does this work.
Up to 6 months. What is the difference in newborn sizes and size 0 3 months. So i have bought loads of baby clothes mostly 0 3 and bigger. Size tiny baby 00000 new baby 0000 0 3 months 000 3 6 months 00 6 12 months 0 12 18 months 1 18 24 months 2.
My dd was 7lb 3 oz at birth and is still in carters nb clothes. But i m starting to worry that they will be too big would experienced mums recommend buying a supply of newborn. Can you please let me know your thoughts on this. It s better to buy 0 3 months but not too much i would rule out newborn clothes apart from 1 or 2 outfits.
Hey ladies is there a difference between nb and 0 3months. He finally made it into his 3 6 month clothes at around 6 9 months. I read the back of some vests i brought which are newborn and it says that it will fit up to a 10 lb baby. Up to 7 lbs.
Up to 17 n a. I d recommend buying a small number of items 2 3 in each size and then stocking up once you know what will actually fit since so much depends on the shape of baby in addition to weight. Will the 0 3 months be too big for a newborn.