Most girls will start wearing a bra when they hit puberty.On average, girls begin puberty between the ages of 8 and 13, ...

A staggering 80% of bra wearers are ... corresponds to a cup size. Here’s a simple breakdown of cup sizing: 1-inch difference: A 2-inch difference: B 3-inch difference: C 4-inch difference ...

For example, if your bust measures 37 inches, and your band size is 34, the difference will be 3. On the chart below, you'll see a 3 is equal to a C cup, meaning your bra size is 34C. No measuring ...