what to do if i stop taking Microgestin Fe?

i took microgestin 1/20 fe for 2 months...and i decided i want to stop taking it because i'm thinking to have a child soon...what should i do...i wonder if i start having sex without any contraceptive after i stop the microgestin..what will hapen?

and also, if i have to wait a few months before really getting pregnant/

does it have side effects?

by the way, i'm 25 years old and i'm happilly married ad want to have at least 3 kids:)