Answer (1 of 8): I guess the better question is not whether the bra is too big but whether the girl is too big. Typically a size 40 D bra would fit a large, heavy boned, heavy breasted woman who would typically weigh over 150 or 160 lbs or somewhere around 65 to 70 kg or more. At age 16, this is
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What is the average bra size of a 16 year old? - Quora
What is the average bra size of a 16 year old? - Quora
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