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I have been off of birth control since july, i have had normal periods since then,up till two months ago when i had one period that lasted four days and then the last one lasted about three days, along with nausea,br___t hurt all the time.and have gained weight,cant fit into my pants like i used to.oh and have been more emotional than normal,i have taken pregnancy test and they have came back negitive so i dont know if im just test too early or what? somebody help me!!!!????