Given the data you provided, it seems likely that the chances are really small for you to get pregnant: first of all, because of the low chance that these days were the ovulatory ones, secondly because you took the post-coital contraceptive pill within the first 12 hours of the event and lastly, because your partner did not ejaculate intravaginally.
However, if your next period is missing for 5 days (the test is not reliable before that)-you might want to take the urine home pregnancy test, just to be on the safe side. In the future, you should know that ovulation always takes place 14 days (plus/minus 2-3 days) before the beginning of your next period, but you can count this way only if you have regular menstrual cycles. Usage of spermicidaly-lubricated condoms is highly advisable not only for contraception, but also to prevent acquiring STDs (sexually transmitted diseases).
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