hey ive had cramps in my lower belly for like 4 days now, it just feels mike period pains but it comes and goes, only lasts for max 10 seconds and its worse wen am standing up, scared of taking a preg test, also i think, only think my period is late, not sure tho, my last one was verryyyy weird, 2 days long and just spotting, (light pink ish colour) took a preg test after that period- negative, npw getting really scared, could i be pregnant??