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i have not had a regular period since about november. in december it only a few days long and they usually last about 7 days. well i have hed unprotected s_x about 4 times while ovulating and 2 times right after ovulating and about 2 times before ovulating in the past 3 months. ive had sore br___ts, food cravings, nauseas ALL the time 24/7, and i have been extrememly tired. but this month i got a period sorta..it was kinda pink at first and now kinda brown/red..but its a lot lighter then normal. whats going on?