Three sizes
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In human body measurement, the three sizes are the circumferences of bust, waist and hips; usually rendered as three sizes: xx-yy-zz in centimeters or inches. The three sizes are used mostly in fashion, and almost exclusively in reference to women. In many demographics in the western world, the ideal sizes for a woman are said to be 36-24-36" (90-60-90 cm), but many different people and cultures with different views of female beauty would prefer different measurements.[citation needed]