Without speaking to you at length about your condition, it is impossible to say. Probably a good idea to do a salivary hormone profile (E2, Test, Prog, DHEA, etc) to rule E2 or Test. issues out (estrogen and testosterone).
Stool testing (CDSA x3) including parasitology makes real good sense, as this test will also include a culture for Candida and many hundreds of yeast species.
There sre many possible causes, and looking a little deeper into it would certainly help. Maybe a consultation may help to bring you closer to a solution. Let me now if you think this is a valid option for you. All the best.