I started depo in Sept 16 was suppose to get the next dec 8th but I decided that I was going off because me and the Mr are ttc well I didn't have a period all up until dec 31 then it went away completely then started again Jan 1 and it was on and off and we've had sex when we saw the bleeding was either light or gone well last time we had sex was Jan 19 and I bleed after but on Jan 20 bleeding completely stopped although I have not seen a period yet we still remain on just having sex/ why didn't get a period yet? Should I test?