hi there i am a mother of 3 and was just wondering has anyone ever took the morning after pill and had no periods for a while i took it on the 23rd of september after my period which was on the 18th of september i still hav'nt had my period i have done numerous amounts of home pregnancy tests all of which were negative i have some cramping in my abdomin and some back ache too i am going crazy here tryin to find out, i was just wondering could the morning after pill have messed my cycle up i would be grateful for anyone with any advice on this please !!!!!!!!!!!!!