False Positives? cyst on ovaries?

Olivia

I went to the doctor last week was told I have cyst on both left and right ovaries and was also told the lining of my uterus was thick for my age. I have took 3 pregancy test after that and one before all show a faint positive and have gradually got darker picture below is the latest test I took. I have been told ovaries produce the same hormones that home pregnancy test, test for ??