Hi I'm 15 , I had sex with my boyfriend dec 30 I was  scared I thought I was pregnant I kept eating a lot . Then I started my period . After my period  3 dys later I had sex , on January 26 no protection those 2 times . January 28 I started feeling burning down there than I would whip and it was pink liquid . With tiny blood clot . I'm very scared and very young please help .