Girls i am very confused at this point !

Ruby • TTC # 1 since september 2013 and thank god i`m finally pregnant!! Due on 28 Feb 2016 :)
Well this morning I took an clear blue digital ovulation test with dual hormone indicator...and the result it came low fertility,now I took one clear blue digital ovulation test (normal ones) and it came LH surge !! I am taking medformin took to calibrate my hormones.what would I do ?? Help