Dear Meghen,700cc implants on top of your already B cup breasts will put you well over DD cup. Also, remember, saline implants are heavier than silicone and when placed over the muscle do not age well. The "rock in a sock" phenomenon applies here. Reconsider your options and...
It sounds like you do have a tubular breast deformity. Your breasts will likely continue to mature but may not really change with regard to shape. You might consider surgery when you are 18.
Christopher Kelly, MD (license relinquished) says:
Hi. Your pre-op photo is helpful. Not only was the distance between your breasts a little wide, note the upside-down V shape of your medial breasts. This usually means your implants will be wider. Considering this you actually have a nice result; your distance is quite acceptable. You may still...