Le Sigh....
My journey with "the pill" has been an interesting one so far. I actually got off the pill because my periods were coming at random portions of the pack...missing a pill here and there every "once in a while" eventually caught up with me and I would get my period on the most random days of the pack (I say initially because shortly after we decided to ttc). So, initially my intentions were to just regulate my cycle and get in sync with the bcp i was taking. I stopped taking it the moment I decided that that's what I would do - I had started my period, and what a better time! So commenced my first cycle off bcp....it was beautiful. I felt amazing, my energy was back, I was hornier than ever, I was not as moody and I had felt my body for the first time in its natural form. Even my husband noted the difference. Since then, I have been learning and figuring my body out.
Your body may take a while to regulate its symptoms, or if you are like me, my first cycle was text book (I use BBT), and the second cycle was really off, coming two weeks after my last period, and then the third cycle lasted me 40 something days without ovulation....then I finally ovulated (without a period- what would have been two cycles literally ran into each other), and I am now currently (tentatively) pregnant after 3 faint pregnancy tests!
I guess my main point (after this novel) is that once you get off the pill you have to get to know yourself again, and what you may have originally considered PMS symptoms were probably not your "real ones" considering the hormones were synthetic... now your body is trying to produce its own levels and it may take awhile for you to figure out what your "norm" is.
Hope that helps! GL!