Need Help .. Female Help xo Could I Be Preg?

Well a year ago i got the bar in and about 3 weeks ago I got it out and went on the pill .. but i missed the pill all the time . my friends keep saying they fink am preg cuz 4 months ago i started to not sleep at nyt donno why i jst could not sleep and was not tired at all well the lst 3 days i have been really tired all day long and at 20:00 at nyt am ready to sleep my belly feel weird all the time i donno i dont fink i am low my mates do .. and i haven told my period seens i stoped taken my pills 2 weeks ago . i doono wats wrong ino its to soon to get the sighs if i was preg jst need a lil help xo