Hello, I Recently Switched My Birth Control To Which I

hello, i recently switched my birth control to which i was taking ortho micronor, i stopped the pill because i wasn't getting my periods and now its been about 2 months since i stopped the pill. I haven't started any new pills and i haven't got my period. I don't have any symptoms of a period or pregnancy and i am almost certain i am not pregnant. how will i be able to get my periods regular again?