Is 34DD big compared to my 5 foot 8 size 12 figure?

There is no one-size-fits-all answer to this question, as the size of a bra cup depends on a number of factors, including the wearer's breast shape and volume, as well as the design of the bra itself. However, in general, a 34DD cup is considered to be a relatively large size. According to the United States National Library of Medicine, the average breast size for women in the United States is a 34C. Therefore, a 34DD cup is two sizes larger than the average.

It is important to note that bra size is not a definitive measure of breast size. Two women with the same bra size may have very different breast shapes and volumes. Additionally, the same bra may fit differently on two different women, depending on their breast shape and body type. Therefore, it is always best to try on a bra before purchasing it to ensure that it fits properly.

If you are concerned about whether or not a 34DD cup is the right size for you, it is a good idea to talk to a professional bra fitter. A bra fitter can help you determine your correct bra size and find a bra that fits comfortably and provides adequate support.