so maybe i am overanalyzing and over thinking myself. but, I have been having weird cramps in my lower right half of the uterine section... i've been on birth control, on the 7th day of my second month, havent missed a single pill. we do unprotected here and there but never go all the way, and always end up using back up protection regardless. is this just a side effect of the birth control or should i be worried