from wikiHow - The How to Manual That You Can Edit
Believe it or not, at least 80% of women wear the wrong size bra, some studies show as much as 95%. The most common mistake is wearing a band size which is too big, and/or a cup size which is too small. Although the average bra size is often quoted as 36C, most people who wear this size should actually be wearing either a 34D, 34DD, 32DD or 32E bra. The true average bra size is around 34DD. Cup sizes are in proportion to the band size, so a D cup, for example, is not the same size in every bra. A 32D is the same size as a 34C or 36B, but on a smaller frame. A 28F is actually 2 cup sizes smaller than a 38D. If you are fairly slim, then you may well need a large cup size even though your bust doesn't look any bigger than average. You may not think of yourself as being busty, but in moving to a smaller band size you will find that you need a bigger cup size.
Your bra size changes as your weight fluctuates throughout the different stages of your life. Losing or gaining just a few pounds is likely to have an effect. Sometimes you go for so long wearing a specific size that you don't realize it doesn't fit well anymore and you stop noticing the discomfort. If you're looking for a better fit, here's how to find your true bra size.( Read more...Collapse )