You can wear it as is, and it's a free size. Since I usually wear XS or S size, I was wearing it as maternity wear. I've only worn it a few times. The fabric is very soft and stretchy, so I think it's easy to wear whether your belly is small or big. Please understand that it's been stored by a private individual, and consider purchasing. #OnePiece #Maternity #MaternityOnePiece #CacheCoeurKnitOnePiece