This question is to vague to answer. Equivalent to what size "what"? 38C is 38C.
Her bra size is 38C
38c
One Bra size.
It isn't really abnormal to where a too big or too small size of a bra. It just varies to your weight. It is a little big but you can't change your bra size.
If you experience any redness under the bust, then you are wearing the wrong bra size. You can go to a professional bra fitter in order to find the correct bra size for you to use.
38DD
No. They're larger than the usual bra size.
Mine are a size 38C and I'm 13 so don't feel bad. Most girls get their boob size from their mother
my bra size is 38C ;D
If u mean cup size it would be a d cup and whatever waist size. but if u mean waist size it would be a 38c
big