So I stopped taking birth controll around 6 months ago, and my period never came. After many hormone tests and pregnancy tests, I was completely fine. My doctor started me on progesterone hormone therapy to kick start my mentrual cycle. After 7 days of hormones, I started my period 3 days later on October 3rd. My period lasted 8 days, and everything seemed normal. As of yesterday I started yet another period. It has only been 8 days since my last period. What could possibly be going on? Any information would help tremendously.