hello i got protected sex last oct 16 then same day i too postinor 2 after that oct 22 i got my period and it ends oct 27, i got protected sex again oct 29 because he used a condom but im still feel worried then i took postinor 2 same day, then nov 3 i got bleeding like a period, is it because of the medicine? should i considered it as a early period because its heavy like my normal period.