1. @FLOTUS44. “Why are girls still missing so many days of school because of their menstrual cycles?” The First Lady on the barriers to girls’ education. April 13, 2016. Available at: https://twitter.com/flotus44/status/720275882040885248. Accessed September 11, 2017.
2. Feng E. Uninhibited Chinese swimmer, discussing her period, shatters another barrier. New York Times. Available at: http://www.nytimes.com/2016/08/17/world/asia/china-fu-yuanhui-period-olympics.html?_r=0. Accessed Aug. 16, 2016.
3. Don’t dismiss dysmenorrhea!;Berkley;Pain,2011
4. The community prevalence of chronic pelvic pain in women and associated illness behavior;Zondervan;Br J Gen Pract,2001
5. The association of dysmenorrhea with noncyclic pelvic pain accounting for psychological factors;Westling;Am J Obstet Gynecol,2013