You're overthinking it. The solution to this problem, in this instance, is non-technical.
Women already have a rough idea of how different sizes from different brands will fit them. Once they find another woman with a range of things that would also likely fit them well, they can have a reasonable assurance that their other clothes will be similarly sized and cut.
Once they find a few women of similar size, shape and taste, they can draw preferentially from that pool of users.
Women already have a rough idea of how different sizes from different brands will fit them. Once they find another woman with a range of things that would also likely fit them well, they can have a reasonable assurance that their other clothes will be similarly sized and cut.
Once they find a few women of similar size, shape and taste, they can draw preferentially from that pool of users.