Hi I Went Off The Pill Roughly Around Six Months

hi I went off the pill roughly around six months ago as I was getting period all over the place my doc said to give it a rest I'm 47 and my period goes from 21 days to the. next one being 47 away so all over the place but only for 5 days now I want to go back on pill but start with the hormone ones so I don't get another period can I do this as I haven't had my period since jan 16