Among Many Causes: Klinefelters does cause some gynecomastia, along with many other symptoms related to sexual maturity. Breast enlargement has many causes: medications (rx and otc), mj, alcohol, street drugs, soy food products, herbal products and cleansers, anabolic steroids, health conditions (small testes, tumors, diet), etc. Mild gynecomastia can be normal during puberty and often resolves within 6 mo. To 2 yrs.
Answered 1/9/2015
5.4k views
Yes : Klinefelter's syndrome (47 xxy) can be associated with gynecomastia.
Answered 9/8/2013
4.9k views
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