opinions help comment

hi i haven’t had a regular period like i always have ig you would say since november 16-21 regular period had having unprotected sex w one person heavy and twice during my ovulation (app says was my ovulation) twice and this month of december i had bleed medium for one day best day bleed then by the third day it basically just went away . and this was maybe a week and half ago as of today . please help . i’ve also been bloated eating a lot and very tired everytime i eat .is there a possibility i conceived