Breast Augmentation: Q&A

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What Would Cause my Breasts to Shrink?

As a teen I was a 32B, I was athletic back then with a very low % of body fat. I am now 30 and lost appx 30 lbs in the last year. I'm nearly back at my teenage weight and now an A cup. My body fat % today is quite a bit higher now, so this doesn't make any sense to me.

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2 Doctor Answers | Asked by 8353anon in Denver, CO

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Shrinking breasts

Fat has a tendency to act as a reservoir for estrogen and estrogen like substances. Weight loss can not only cause the fat in the breast to atrophy but also result in loower estrogen levels which stimulate or maintain breast growth.

Body weight, breast composition and breast size

The breast is composed of glandular tissue and fat. What we see as breast size from the outside is a combination of these 2 components. As women age the fat contribution increases and the gland contribution decreases. If these do not match the breasts can become smaller or larger as the case maybe. This is independent of weight gain or loss unless the loss or gain is excessive. In your case the gland portion decreased without a commensurate increase in fat contribution even though your... more

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