please I finished my period on a Sunday.. had sex with my bf on dat Sunday night.. took postinor 2 immediately after the sex as directed.. 1 immediately den d 2nd one after 12 hours.. but something happened.. I started having this after effect on me.. headache, nausea etc but after somedays I started bleeding nd it lasted up to 5 days.. still on this last day d bleeding stopd ...I started feeling nausea again lik I wona throw up plus stomach ache.. so am so scared.. needed some bits of advice..