hi docter my name is julia, im confused i normaly sees my periods before the month ends it wil take 4days the 1st day 2nd day wil b heavy flow, then 3rd &4th wil b lighter then spot brown the last day. but the funny thing last month i had my periods on 17th of january wich was a week earlier but 1st day it was light pink wich is unormal vry light flow then 2nd day &3rd became normal then last day became pink light. so now is 12 of febuary im seing my period again it is not my date i got period pains my weighst is paining. is it posible that i may be pregnant or my system has changed