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.
What Would Cause my Breasts to Shrink?
Doctor Answers (5)
Body changes with age and weight loss
Change in breast size
If you have adequate body fat, you may be a good candidate for fat transfer (taking fat cells from one part of your body and moving them to the breast).
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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 total body fat percent is greater. That increased fat was just placed in other areas of the body, not the breasts.
These answers are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.