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Your generous gift is tax-deductible as allowed by law. Living with XXY is a registered 501(c)3 nonprofit organization. Our tax ID is #84-2591505. No goods and services were given in exchange for your contribution.


Klinefelter syndrome is a genetic condition that affects males, resulting in an extra X chromosome. Present in roughly 1 in 500, it is the most common chromosome condition in males. 

XXY is a spectrum, meaning everyone’s experience is unique, and much of the information and research needs updating. 


Over the years, our community has shared many positive qualities they recognize. Here are a few: 

-kind and empathetic

-photographic memory 

-think outside

-problem solver 

-very observant and aware

-tall and handsome

-attentive listening skills

-hands-on and visual learners 


Living with XXY works to: 

Provide a safe space for community connections and support those with XXY and their families. 

Work to reduce the termination rate for in-utero diagnoses by offering hope through lived experiences. 

Collaborative with professionals to update information, speaking to both medical and educational communities. 

Encourage acceptance in all ages, providing accessible resources and helping men navigate infertility. 


Living with XXY is changing the way the world learns about Klinefelter syndrome/47, XXY. Focusing on community, awareness and positive traits. 


Whether you come to us after a prenatal, child/teen or adult diagnosis, we have you covered. Our community encompasses over 40 countries. 

These fundraisers are making a difference

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