OMG, It seems you want to get pregnant.... The mind is a powerful thing, it can mess with your body and change your boyds routine schedule. the best thing for you to do is to get a pregnancy test. And while your add it, Get on the pill or some method of birth control. And have your BF use a condom ALWAYS .
Sometimes ovulation can occur before the bleeding from your period has stopped or within a few days after her period is over. Sperm can fertilize an egg for several days after ejaculation. So in both cases, having sex during a girl's period can result in pregnancy.
So lets recap.
Number 1), USE PROTECTION.
NUMBER 2) USE PROTECTION.
AND NUMBER 3) USE PROTECTION.