can i be pregnant???

I have paragard remove last may 2016 every 2 months me and boyfren visit each other..my period takes only 2 days everymonth.last mont august 26 is the first day of my period and aug 27 is the last day and we have sex august 27 till sept 4 and hes alway cum on me..is there possibility getting pregnant?and according to glow period tracker i supposed to have my period last sept 19 bt untill now i dont have it yet..im hoping and praying that AF not come this month..and since my paragard remove how long that i can conceive?please help..thanks