How Long Does Utovlan Stay In One's Body?

Hi, may I answer your health queries right now ? Please type your query here... Hello there, I've been proscribed atovlan too take for 10 days to bring on a period so I can have a (hsg) test but my gyno told me it whould also work as a contraceptive and I chould not become pregnant while taking it, but I'm a bit worried about how long it will stay in my sistem for as I've bin trying for a baby for 18month and don't won't any delay's, any help whould be much appreciated thank you x