I too, am unable take the BCP, However, I e-mailed Lenore and shared with her my story and medical history and she seemed to think that I would have no issues using the Provera 2.5 progesterone pill. Seems like estrogen is what causes most of the issues and the provera is a VERY low dose estrogen. My ObGyn was very happy to prescribe this to me, but was hesitant with the BCP. When I thought I couldnt use any hormone, I was going to use the goats rue, even though is it SOO expensive. Maybe you could e-mail Lenore your situation and she may have some reccomendations. I am completing week two since started the modified regular protocol and I have not had any side effects. Hope this helps :o)