Is progesterone the reason I'm out of sync?

After 16 years of anxiety, and an ectopic pregnancy I discovered my progesterone was low and was put on natural progesterone.

Initially I felt really strange then almost worst... more depressed even. I read on the website that this could be from my estrogen being triggered, so I reduced the dose of progestrone which worked.

I started cramping as I continued taking them when my period was due (my doctor said to do this), but the cramping was so bad so I stopped taking them and now I have had a two week period that won't stop. My doctor says I should stay on them non stop, but I have read you are meant to go off them for a week or so during your normal cycle. I am usually spot on regular, 26 days with three days of bleeding so I don't know what's happening.

Should I come off the progesterone or keep taking them? Is the progesterone making me bleed non stop... very light bleeding by the way!