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One of the biggest issues that women face is the changes that their bodies go through. For example, estrogen and progesterone levels rise after ovulation each month, so women can experience an increase in blood flow to their breasts, causing them to increase their fullness. They also change size when you go through puberty, menopause, before and after pregnancy, weight-gain or loss, and even when you take birth control.
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This is why experts recommend that you get a bra-fitting every couple of months. Nike is aware of the issues that women go through and has even extended the collection to a size E. The new bras will be available in sizes XS to XL and 30A to 40A.
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