are you saying that you never had a period in your life and you tried to take birth control pills inhopes that you will get a period and you can then get pregnant.
you could have something called amenorrhea.
primary ameorrhea is when you never had a period, and secondary amerrhea means you had a period and it stopped for over four months or more.
are you athletic or underweight?
i can email you a website that tells you the reason why this happens and what you can do to reverse it.