Cycle Problems

Shari
Anyone have irregularity problems with AF?? I got my birth control out in Oct 2014. Didn't have my 1st period until I saw my doc in Aug (I have a hormone disorder so I gave it a lot longer to become normal) and she put me on the Progesterone Challenge which is where you take 1 pill a day for 10 days and after that it kick starts your period. 
Well, I started my period on 24 hours after taking the 1st pill. I had it for 2 1/2 weeks. Which ended on Sept 15. Hubby and I have been intimate almost daily since then. 
So...all that to ask...When do I take a pregnancy test? Since my cycle is so outta wack, I have NO idea when my next one should or could be. Oy. I need advice Ladies!