Thanks for query.
I am sure that for your June 13 intercourse you were not pregnant.Your desire to urination frequently was due to urinary tract infection
You are on birth control pills but as you have not taken it regularly i am not sure of your 2 day's before intercourse.But as you have taken 2 pills on next day there are least chances of being pregnant.for more confirmation
If you have a regular menstruation
cycle you go for pregnancy
test a day after you missed period.