The most recent thing I’ve written on this was published by The Atlantic: The Olympic Struggle over Sex.

If you’re a reporter or a student interested in this topic, you might want to see my media advisory with FAQs on this topic. You can also check out the overview I wrote on this for the Hastings Center Report, or my series of four analyses in the New York Times (shown in date order):

1. 1.Where’s the Rulebook for Sex Verification?
   

2. 2.Science is Forcing Sports to Re-Examine Their Core Principles
   

3. 3.The Sex of Athletes: One Issue, Many Variables
   

4. 4.Redefining the Sexes in Unequal Terms
   

I’d also recommend:

1. ✦Alice Dreger, Intersex and Sports: Back to the Same Old Game, Bioethics Forum
   

2. ✦Ariel Levy, Either/Or, The New Yorker
   

3. ✦David Farenthold, Which Side Are You On?, Washington Post
   

4. ✦Kevin Blackistone, A Plea to Respect Semenya’s Dignity, at Fanhouse (highly recommended entry)
   

5. ✦Elizabeth Reis, Woman, Man, Neither? The Predicament of a World-Class Runner, at History News Service (highly recommended entry)
   

6. ✦Joseph Huff-Hannon, Don’t Call Them Hermaphrodites, at The Daily Beast (highly recommended entry)
   

7. ✦My interview with Runner’s World
   

8. ✦“Gender Test After a Gold-Medal Finish,” Christopher Clarey, New York Times
   

9. ✦my “Good Morning America” appearance on sex-testing in sports, plus related article
   

10. ✦“Olympic Problems with Sex Testing,” Alice Dreger, Bioethics Forum
    

11. ✦“A Lab Is Set to Test the Gender of Some Female Athletes,” Katie Thomas, New York Times
    

Want more understanding of what I mean when I say sex categories are established by social decision, not by simple science? Read this.

Sex-Testing in Sports