How long does it take for microgynon to work?

Well i took it a day after my period had finished and usually it takes up to 7 days ( and u have to use protection in that 7 days of course ) . But i didnt and i was fine, aslong as you take it correctly you will be alright, but if u wana be extra extra safe use protection(Y) lol

If you take it on the firstd ay of ur period u are protected as soon as.