12 and a 34/36 B! Help?

12 years old and a 34/36 B. Had period for 2 years. Boobs are itching And are sore. Her mom is a 38 C, her mammaw is a 42 DD, her other nana is a DD, her aunt is a DD, her other aunt is a D, and most of her cousins are D's, DD,s or almost there. What do you think she'll be?? That was mom and dads side!!