How Long Does Dianette And Yasmin Take To Leave The System?

Hello.. My names Gillian! Iv been on the pill since i was 19, im 36 this week and want to know how long it will take for my pill to leave my system so i can try to conceive? I was on Diannette for years, now on Yazmin for the last 2/3 years, iv been on those because i suffer from acne too! Gillian from Nottingham, England.