UM MY CYCLE WAS THREE DAYS LATE LAST MONTH AND THIS MONTH IT IS A WHITISH AND BROWNISH DISCHARGE....I HAD SEX ON THE DAY I OVULATED AND TWO DAYS WHILE I WAS FERTILE...I FEEL NAUSEATED IN THE MORNINGS,I HAVE ALOT OF CRAVINGS AND I HAVE MIXED EMOTIONS...WHAT COULD IT BE???