What is the underwire size she sent you? Again if I asked you to draw a line Two women with the exact same measurements may be different cup sizes. Take, as an example, the British bra size system. Early patterns were drafted for a straight-up D-cup.
So what is the BCD measurement?
There are, at last count, three styles, and I lost count of how many individual sizes. Freya is also available here, but they are not supportive enough for my figure. I did have a look at your blog so that I could email you regarding the threads article, but there is no email address.