Still no periods but stomach pain. Plz!

Hi am 18 years old in past july2018 to jan2019 I had taken 3 ipills even though I got my periods every month but it delays 1-5 and comes...my last period is on 27th feb to 2rd march and last intercourse is on 3rd march without ejaculation inside before putting penis to my vagina my boyfriend washed his penis and wiped with towel he didn't cum inside plz tell is there is any chance of pregnancy ...from 14th to 20th march I had white discharge and from 1week onwards lower abdomen is paining legs and backpain...bloating of Stomach and lower abdomen is also bloating so is there is any chance of pregnancy plz tell my last period is 27th feb 2nd now when I will get my period plz give me the period date doctor plz am so tensioned plz