 [ Symptoms ] effectiveness of birth control  my girlfriend 18 years old takes her pill exactly on time every single day within 3 minutes of her 900pm time never any later we have unprotected sex we have already been tested and have no worry of stds and i ejaculate inside of her although she takes her pill exactly on time every single day is there a chance that she could become pregnant [ Disease ] birth control pills are not 100 but they close using a condom will increase the effectiveness for sure but it is a bit too late to worry about that now i suspect your girlfriend is not pregnant which is probably good since her sexual partner you should have been more considerate and caring you do not get pregnant my friend but your girlfriend can so let this be a learning experience for you use condoms or postpone sexual activity until you are more responsible maybe you want to be a dad i do not know signed dad not your dad but a dad