If you're using the birth control properly it is 97- 99% effective on its own. There is a small amount of sperm in preejaculate but the chance that you might become pregnant is very slim. Especially if the condom has spermicide.
I'm glad to finally be reading a post where someone is having sex responsibly. Good for you!

Even if your boyfriend were to ejaculate inside you, as long as you were taking you pill as directed, your chance of getting pregnant would be very, very, very slim. 1% or less.
Of course, using a condom is never a bad thing.
Just know that you are extremely well protected on the pill alone as long as you are taking it correctly.

i do the same as you jjbaby74, but i once missed my pill 2 weeks ago, and had sex, then he put on a condom.
im due on in next few days,
what are chances of being pregnant?

missing one pill, as long as you later remembered to take it, should not effect your pills efficacy.