There are no safe periods so always use a condom. A orgasm can make a woman start ovulating again.
You might not neccesarily be pregnant, but there is a higher chance than if you actually used a condom, or any other contraceptive..
yes there is a chance that you can become pregnant from you partner pulling out without a condom
There's no special "fast way" to get pregnant. Just have sex without using a condom.
Make sure she is on birth control, but this does not protect either of you against STD's.
It depends if the boy can ejaculate and the girl has started her started periods.
Yes. The condom could malfunction.
The protection level using a condom is about 86% ... meaning there is a 14% possibility of the condom failing, rupturing or tearing.
Doubly unlikely.
yes
Birth control pills are quite effective.
yes they had sex without a condom
There is no known percentage for definate. if you use a condom then there is roughly a 5% change of getting pregnant, where as if you use no protection or contraception, the risk is considerably high. if you dont want to become pregnant you may want to consider birth control, and also without a condom you run the risk or catching an STI or STD.