Re: Two Questions - Continuous Birth Control / Pregnancy
When birth control pills were still invented, doctors recommended that women take it 3 weeks on / 1 week off, to still have a period. However, in recent years, experiments have found that, at least for low-dose pills, it's perfectly safe to take it without breaks.
If you are taking your BC correctly, at (approximately) the same time every day, it is VERY unlikely you will get pregnant. Studies show that when oral contraceptives are used correctly, the chance of becoming pregnant is less than 1% per YEAR of regular intercourse. (Without any birth control, the chance is about 20% per month!)