ok so i started spotting and i thought i just started my peroid and i just wasnt bleedin like i usally do and i wasnt cramping .. well i spotted for like 6 or 7 days? and all of the sudden i started to cramp and stuff like i was going to start my period and than 7 days aftr spotting i started my period .. and its regular ?.. but i dont understand why i spotted for like a week? can that mean that im pregant or can something be wrong with me? im so lost..