Very very Rare chances if it was on 11th day to 18 the day of mensuration cycle.
And no chances of pregnancy if it was on 5 th day to 10 th day and 19 th day to 28 th day of cycle
If you are under 72 hour then take emergency pill.
If more than 3 day then wait for next cycle Go UPT test with interval 5 days
Take morning urine sample
Don't worry very very rare chances mean no chance at all
Next Steps
if you have any worry I will help you
Health Tips
no need to take any medicine without doctor prescription