What I CAN do, however, is to tell you that you lack basic information about pregnancy, risk
reduction and contraception. Below are some pages on this site that will help both you and your partner. And in the meantime, if her period is late, I suggest she use a home pregnancy kit to find out if she's pregnant.
risk reduction:
http://www.medhelp.org/medical-information/show/1723/Safe-sex-
condoms:
http://www.medhelp.