That myth has now been disproved, in fact when you take the pill with a 7 day break it is not really a period but withdrawal bleeding. In the
USA it goes by names such as Lybrel (made by Wyeth). If you are outside the
USA then you can Google it to find what name it might go by in your country. This type of regime is commonly used to circumvent headaches.migraines, and other period based problems in women, as it stops hormonal fluctuations from occurring.
I hope this helps.