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Asymmetric: One breast is larger than the other; ranges from minor (barely noticeable) to more pronounced (as pictured).
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Bell Shape: Generally heavier breasts; narrower at the top, then drastically fuller toward the bottom.
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East West: A gentle slope from top to bottom, but out to the sides; nipples point in opposite directions.
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Side Set: A wide space in between the two breasts; nipples point a little more forward than East West.
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Slender: A little wider at the top, narrower at the bottom; generally skinny without a lot of breast tissue.
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Tear Drop: Similar to Bell Shape but with a much gentler slope; easily identifiable from the side.
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Round: Equally full on top and bottom; often surgically enhanced, but not always.