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Welcome to the KS&A Store

Welcome to KS&A’s on-line “Store” where you can purchase select items that advance our mission of helping individuals with one or more extra X and/or Y chromosomes and their families lead fuller and more productive lives. 

In order to protect your financial information, KS&A has selected PayPal as our preferred payment method.  This system is accepted worldwide, and is free and easy to use even if you do not have a PayPal account.  You will be given the option to purchase directly with the credit or debit card of your choice, and whether you have a PayPal account or not, you will have the benefit of PayPal’s privacy and protection features. A limited number of scholarships are also available for individuals and families in need of such assistance.

Please click on the links below to see the extensive materials that are currently available concerning X and/or Y chromosome variations, including XXY, Klinefelter syndrome, Trisomy X, XYY and associated conditions.  We currently offer two major departments -

  • Materials focusing on XXY, Klinefelter syndrome and XXYY

    image Proceedings of a 1-day conference, held October 19, 2007 at Weill Cornell Medical College in New York City, titled: “Better Care through Better Science: Providing Excellence in Medical Care for Children and Adults with Klinefelter Syndrome through Advancements in Reproductive Biology and Genetics” .

    Topics covered include testing for fertility, preserving viability of sperm, ICSI and IVF techniques, natural and therapeutic testosterone and a range of other topics.

    Click here to see a summary of the proceedings, a list of speakers, and to find out more about purchasing single DVDs and multi-DVD sets. 
    Print and mail the order form along with payment. Purchasing through PayPal is not available at this time.


  • image Proceedings of a 3-day national conference, held October 13-15, 2006 at Thomas Jefferson University, focusing on pediatric and adolescent issues that face individuals who are diagnosed as 47,XXY and 48,XXYY.  Click here to see a list of speakers, video clips from their presentations and to find out more about purchasing single DVDs and multi-DVD sets as well as other printed materials.


  • Materials focusing on Trisomy X and XYY
    Proceedings of the first ever national conference focusing on Trisomy X and 47,XYY, held March 3-5, 2006 at the UC Davis M.I.N.D. Institute in Sacramento, CA.  Click here to see a list of speakers, audio clips from selected presentations and to find out more about purchasing single DVDs and multi-DVD sets as well as other printed materials. image

KS&A plans to offer a number of additional products and services in the future, so please stop by and visit us again soon. 

KS&A, 11 Keats Court, Coto de Caza, CA 92679
Call Toll-Free: (888) 999-9428 • Outside USA & Canada: (949) 858-9428