Im on microgynon 30 but it causes a month long bleedings im taking it reguraly but last night i had a drink a few hours after i took it should i worry?

Breakthrough bleed: Breakthrough bleeding (bleeding at the wrong time) is very common on birth control. It happens in about 1/3 of users. Its no big deal and usually self corrects over time. If you are not satisfied or it continues to happen then consider using a different birth control method. It is a common side effect and does not mean something is wrong or that the pill is not working. Alcohol does not affect