please its urgent

hi, iam 23 years old, not married and i suffered since menarche from irregular , heavy menses ,and hirsutism and was diagnosed as polycystic ovaries, mild degree. i recieved DIANE for up to 3 years and stopped it cos it was increasing my weight. and recieved nothing else since then.however my menses is still irregular up till now.I am now getting married after few monthes and want to postpone the first i have to get ant contraception or is it contraidicated in my case? and if its ok to use a contraceptive method, what would be the most appropriate?.thanku

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