Is 34D bra medium or large?

Is 34D bra medium or large? 

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Size Bra Size
Small 36A,34B
Medium 36B,34C, 34D
Large 34DD, 36C, 36D, 38B
X-Large 36DD, 38C, 38D, 38DD, 40B

1 more row

What celebrity has a 34C bra size? Beyoncé The Queen of Pop is said to be a 34C, but she is definitely much more a 30G-GG in my opinion. Shop 30G bras here.

Is there a 34D bra size? 

For example, if you wear a 34C, your Sister Size DOWN would be 32D. SISTER SIZE UP: One actual size larger than your current Band size AND one letter name smaller than your current Cup.


Current Bra Size Sister Size DOWN Sister Size UP
34C 32D 36B
34D 32DD(E) 36C
34DD(E) 32DDD(F) 36D

Is D cup size considered big? For some reason, we have been brainwashed into thinking that boob sizes go from A-DD, DD being the biggest boob/bra size. DD is actually at the lower end of the scale, there is still E, F, FF, G, GG, H, HH, J, JJ, and K cup above that.