Testing for early pregnancy

i stopped my TRUST pills last september...and had my first period on the same month..But since then my period is not normal na...my next period was on october 29 2019 and ended on Nobyembre 04 2019... expected to had my oeriod again at December 02 or 4...but it showed up on DECEMBER 26 2019 and ended January 02 2020...had sexual intercourse last january 08 2020.but we used condom and he didn't ejaculate on the condom..withdrawal on the other said. but until now...still dont have my period since the last menstruation on January02..what should i do?? did satopping the pills 4 months ago affect my cycle??! did i have the chanve to get pregnant..?? even we used the 2 way methods?? condom and pulled out method?? thank you in advance