OK! i should have my period at the beginning of july. but it didn't came...? but instead when i wipe there was like brownish spottings, ONLY at night? and it only last for 3 days? i did have unprotected s*x, but that was only for 20 seconds, he did not sperm on me or anything. what's going on!>_< i am worried!! my mom said it could be that i went on vacation and things change? my sister said that u'e suppose to like..skip a season or so when u get to a certaint point. help mee please!
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