A "34" size means your underbust measures approximately 34 inches. In European sizing, this often converts to a size 75 or 85 depending on the specific country's metric system.
Is this for a context (e.g., surgical sizing)?
(the bridge between cups) doesn't sit flat against your chest. To help me tailor this article further, could you tell me:
Many people assume that a "size 34" breast looks a specific way. In reality, a looks very different from a 34DD , even though they share the same band size.
If you are wearing a 34 but experience the following, you may need a different size: your back (it's too large). Spillage over the top or sides (the cup is too small).