Is it possible to be pregnant if you used a condom & pulled out, i'm on the pill but no period yet & it's day 4 of the sugar pills. ?

Unlikely ....: If you are taking your oral contraceptive pills as directed, every day, you have less than 1% chance of getting pregnant in a year. Even if you are irregular in taking them, they are still 91% effective. Add to that the additional contraceptive protection of a condom, and I believe it is very unlikely you are pregnant, but probably not impossible. Expect your period soon! Best wishes!