Is Erratic Periods Normal After Being Off Cerazette Pill?

hi i am on the cerazette pill and been on if for nearly 2 years. I have come of it today, because me and my husband are wanting to try for a baby. But i am worried because my periods are all over at the moment. I can have them every other week or not have them at all for about 2 months. WIll this affect my chances of getting pregnant. Please help .Thanks