Are my chances of becoming pregnant with pull out method low on my fertile days. my period is now 3 days late had cramps no period .

"Pull out" is: A great way to get pregnant. I suggest hpt and reliable birth control in the future.

25% chance per cycle: The pull-out method is essentially useless in preventing pregnancy, therefore the background chance of conception with unprotected vaginal intercourse for your age (10-30%) would apply. For most young women this is ~25%. Take Folic Acid 1-5 mg daily and talk to your gynecologist about birth control. Best of luck!