Depo injection

Sandra

I had got my depo shot and July 1 2017 I just got one time the next depo shot was due September 16-30 but I never got it on September 26 I had sex with my boyfriend and October 24 and 31 & November 14 I had sex too since September I haven’t got my period what could it be? I also took a ovulation test in the morning and right know what do u girls think I will accept any comments help me plz could this mean that I’m going to start to ovulating soon?