Hello I Am Astha. I Had And Ipill On The

Hello I am Astha.
I had and ipill on the fourth day of my periods and the same day i had a little cloud of blood, because of unprotected sex but the sperms were ejaculated out side. and on the 5th day after the ipill i started bleeding again and it continued for 3 to 4 day. then i went to a gynec and she gave me trapic e to stop bleeding and the bleeding stopped the next day.
Period date:- 16 december
intercourse:- 20 december
ipill:- 21 december
breakthrough/withdrawl bleeding:- 25 december
doctor visit:- 29 december and trapic e same day
bleeding stopped:- 30 december

Question 1:- DO i still have any chances of getting pregnant.
Question 2:- I got some allergy acne on my body.
Question 3:- some times i have a little abdominal pain.

Please reply ASAP I am worried.