I have always irregular periods.since I have started.sometime my periods are after 2months or some time after45days.but now I have stopped my periods for 4months.i am unmarried.after 4months periods starts and the it stops after 5days.the after8days it starts again.now 20days passed it was continues bleeding some time havey like period bleeding.sometime the colour is red or sometime dark brown.i can't under stand what was happening with me.please refer any medicen