Medroxyprogesterone| PLEASE HELP

So i started provera in august. Day 5-6 all it gave me was red/brown spotting . Last month, AF came day 6. This month, 6 days after last pill, all im having is brown cm, brown blood clots, sometimes red . Its now day 8 and still no other signs of a flowAnd uts not every time I wipe. Im worried im not gonna get AF this month :( has anyone else experienced this before?!