What could it be??

I have be off birth control since the finish off of may. I was suppose to start my cycle the 1st of july. I own been trying since i get off the patch, my length has not come and i took 2 urine test all be negative......I also hold a low thyroid problem which i take a each day pill for. What could it be.. is it very possible that i could be infertile??
please with the sole purpose serious comments please....no judgements please
thanksWhat could it be??
Well unless someone on here is a certified doctor I don't know if you will find the exact answer but I would phone up a nurse hot line and ask if your worried more or less it. I don't think you are infertile.Are you trying to conceive? As far as getting sour of birth control your period may be past its sell-by date for a while because your hormones are off whack. Try not to verbs yourself to much and when in doubt nickname your doctor.
I would see a doctor as they would be able to run test and tell you for sure. No one here can examing you so its best to be see.