still no period during, & after taking noriday is that normal? I was on the depo provera (had 4 doses over 12 months and then because I started getting blood clots (but no bleeding ) my Doc put me on Noriday, I had it for 3.5 months & still no period, I have stopped it now for 10 days & still no period is this normal? i also have intense back pain ,& have taken a pregnancy test that was negative.