Okay, so, I'm 22, and from the time I was about 16 up until recently, my cycle has been pretty normal and predictable. It was usually 33-36 days long, and I was on my period for 5 days. Three months ago, I got my period almost a week early (which by itself is unusual for me), and my cycle was only 27 days long. Each month since then, it's only been 27 days, and my period has gone down to about 3 full days of bleeding and a day of spotting. I'm not on any birth control, and am not sexually active. The only thing I can think of (maybe?) is that I started using a cup back in November and read a couple things online about how it can shorten the actual period of your cycle but not the cycle itself. I don't go to see my gyno until October for my annual and was going to ask about birth control then, but I'm not sure if I should see her for this now as opposed to waiting?