If Breakthrough Diagram How Long Is Normal For Breakthrough Bleeding When You Start The Pill?

How long is normal for breakthrough bleeding when you start the pill? - if breakthrough diagram

I started Microgynon 30 on the first day of my time because I do not yet ceased to bleed, and now for 20 days. some days its very easy and a little heavier than others of his like in the days of my usual period. in, because my 7 days off to see, but in the next even under the package to see if the bleeding stops. Normal bleeding or long this pill is not only good for me?