sometimes, protect yourself, condom birth control
Excellent.
1%
Put a hole in condom.
0.01%
There's a 25-75 chance favoring that you would not get her pregnant. You could use a condom and not get her pregnant, or you don't use a condom and you have a chance at getting her pregnant.
there could be a possibility but it is very much rare to get her pregnant.
It is very unlikely because the percentage of efficiency of the pill is usually between 95%-99% and percentage of efficiency of a condom is between 86%-97%. Therefore, when used together there is a very small percentage of getting pregnant. However, it can always be possible. The only way of being 100% sure is when using abstinence.
50/50
A condom is good protection, but no birth control is 100% effective.
the probability is very small
20 percent without condom