You're not just supposed to take random amounts of hormones and blockers. Certainly not blockers.
Please ask your doctor for the results of the test you had, or see if they are available for you online.
Your avg cis woman has estradiol levels ranging from something like 30 to 400 pg/mL (according to some sources, but I see others with greater ranges), but with an average closer to 100 pg/mL. Pay attention to when during your cycle you take tests. https://transfemscience.org/articles/e2-equivalent-doses/ this link mentions the parts of the cycle and the average level of E2 during the cycle. Whatever you measure on your tests won't be exactly as on the table.
If you start taking spironolactone you should be aware that it can be uncomfortable and have long term side effects, which is why you need to start taking blood tests of your liver functions.
This document may be of help, but please keep in mind it's aimed at amab transfem people, not afab people.
https://transfemscience.org/articles/transfem-intro/#monitoring-of-therapy
It mentions what things you should be testing for. You should test for at least estradiol, estrone, progesterone, testosterone, and dht.
Edit: Also again, you don't know if this will help. It will likely affect your menstruation cycle. I don't know if it will have any negative effects beyond the side effects of spiro. I hope this works out for you.
Also, in case it's a kind of intersex condition please read this: https://genderdysphoria.fyi/en/chromosomes
I know you felt it wasn't relevant last time but it really is. There are many kinds that work very differently. I'm not saying it's certain that you are intersex, but it's one possibility that isn't often tested for.