Data out this week from Harvard University shows that 98% of adolescents with chronic pelvic pain have endometriosis. For the 176 million women worldwide that suffer for endometriosis, this data provides a strange form of relief and recognition. They aren’t complaining, whining, histrionic women and teenagers who can’t handle their menstrual period. On the contrary, they probably have a medical condition called endometriosis that needs treatment. And they don’t need hormonal contraceptives or birth control pills.