I 18 and has been having periods since I was 12 which normaly lasts 5days but my periods are very iregular since 2012 has started I`ve only had two periods in feb & march which was normal. I spoted 3 days in June but went to the dr, wastn't pregnant now I have been spoting exsacly a week kind of,ligh/ heavy pink,brownish color me and my boyfriend have been having unprotected sex even this last week while I've been spoting