so I'm 1day late. Still have yet to start pms. absolutely no cramping. I did have some very light…

so I'm 1day late. Still have yet to start pms. absolutely no cramping. I did have some very light very dark brown colored spotting with mild cramping a few hours ago. I knew for sure my period would come on full blown after that. That's normally a sign she has arrived. But I'm not feeling any cramps ..im so confused.