There is always a chance... And the pull out method is NOT birth control. You need to be more careful if you aren't ready for a baby. Use some BC
I got pregnant when he withdrew, and I was on birth control pills too. If you don't want pregnancy, get yourself on some birth control pills AND make him use a condom. The "pull-out" or withdrawal method is not effective birth control.
The chances are high if you are ovulating or were about to as sperm can live in a females body anywhere from 5-7 days
Before a man ejaculates his penis will secrete pre *** and there is enough sperm in that to become pregnant (it only takes one sperm to become pregnant). It also depends on when during your cycle you had sex.