Hello I'm new too this app an I have a question Last time i had sex was June 25th 2015 an it's of course Aug 14th I still haven't had my period yet not too mention I been on the Depo Shot since 2011-2012 am my periods been messed up since but I just want too know !? Is that normal or should I go too the doctor!? I should had started my period already but I haven't yet what should I do