Options! TTC with PCOS

I am ttc #1 and I have PCOS and VERY irregular periods (like I never ovulate and get a period on my own).
I am starting Clomid this next go round (1st time taking it).
My Dr is awesome, he is giving me the choice to either start taking provera now, or to wait until when I might get my period, check for pregnancy and then take it.
Background: the provera will be taken for 10 days and then the clomid will be taken starting day 5 after my period comes (which could be up to 10 days following the last day I took the provera). Last month I had an HSG done which sometimes improves fertility. My SO and I BDed when we could, and I have been trying not to get my hopes up. The dr said that provera wouldn't hurt the baby if I am already pregnant but I can't really test until the first week of March.
We think we want to wait, but I'd like to see others opinions as well...

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