it ating ▁disease ▁that ▁is ▁quite ▁common , ▁affect ing ▁at ▁least ▁ 1 ▁in ▁ 1 0 ▁women ▁and ▁girls , ▁but ▁which ▁has ▁an ▁average ▁di agnostic ▁delay ▁of ▁about ▁ 1 0 ▁years . ▁The ▁End o M arch ▁movement ▁was ▁founded ▁and ▁spons ored ▁by ▁D rs . ▁Cam ran , ▁Ce ana , ▁F arr , ▁and ▁A za de h ▁Ne z hat , ▁and ▁Barbara ▁Page , ▁and ▁is ▁registered ▁as ▁a ▁ 5 0 1 ( c )( 3 ) ▁public ▁char ity ▁non pro fit , ▁with ▁headquarters ▁in ▁Pal o ▁Al to , ▁California . ▁ ▁Att endance ▁The ▁first ▁World wide ▁End o M arch ▁took ▁place ▁on ▁March ▁ 1 3 , ▁ 2 0 1 4 , ▁and ▁occurred ▁in ▁approximately ▁ 4 3 ▁countries , ▁with ▁a ▁flags hip ▁event ▁held ▁on ▁the ▁National ▁Mall ▁in ▁Washington , ▁D . C . ▁Multiple ▁medical ▁soci eties ▁and ▁medical ▁schools ▁co - sp ons ored ▁the ▁event , ▁including ▁the ▁American ▁Medical ▁Association , ▁American ▁College ▁of ▁Ob st etr icians ▁and ▁Gy ne colog ists , ▁American ▁Society ▁of ▁Re product ive ▁Medicine , ▁Society ▁of ▁Lap aro end os cop ic ▁Sur ge ons , ▁International ▁Federation ▁of ▁Gy ne col ogy ▁and ▁Ob st et rics , ▁Royal ▁College ▁of ▁Ob st etr icians ▁and ▁Gy ne colog ists , ▁the ▁European ▁Society ▁of ▁Human ▁Re production ▁and ▁Emb ry ology , ▁The ▁National ▁In fer til