Pos OPK, No temp rise

Crystal • 1st IUI: 11/14/15, BFP 11/27/15! Miscarried 12/4/15. 2nd IUI: 12/20/15, BFP #2 1/2/16!!!
I'm having some concerns about my charts. TTC 7 months. I had a positive opk on 6/6 and temps aren't rising. Last month had some rise, but not much. This month is almost nonexistent. Any ideas what's up or what I can do? Did I even really ovulate? I've also been getting my period around 10-11 dpo
This month:
 
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