By Shamila Ghyas (This is a cross-post from The Nation ) Recently, students at Beaconhouse National University in Lahore protested against the stigmatisation of the ‘M word that should not be mentioned’ because it is supposedly every female’s dirty little secret. They used shock value to get their message across by sticking sanitary pads on a wall – each with a different message: “I am not flawed or poorly made” “Don’t hide me” Some girls even walked around with stains on their shirts. One thing that everyone needs to understand is…