PCOS and Chronic Diarrhea

I have had chronic diarrhea for the past 15+ years. I have daily diarrhea (3-6 times a day). There is a difference between my food sensitivity related diarrhea and my everyday regular diarrhea. I only used to have a solid bowel movement once a month if I was lucky.

However, ever since starting Letrozole and Progesterone Suppositories, I am suddenly having 2-4 solid bowel movements (EVERY. SINGLE. DAY). I am now wondering if my everyday diarrhea is caused by my hormones?!