I was on marvelon too - stopped taking beginning of Dec 2015 after finishing the pack. In the first month I had a few days of morning nausea and 1 day of actual sickness. I also had really sore nipples for about a week somewhere in the middle of the month. I thought maybe I was one of those lucky ones who had gotten pregnant straight away! But it must have just been hormonal changes due to coming off the pill. After 2 cycles I would say periods not gone back to what I thought they would (from what I remember of being 14!). Not as heavy and pms not as bad as I remember it being. And no spots which was one of my biggest worries! But don't know if this is due to the pill or just normal part of ageing? I think coming off the pill and associated symptoms are different for everyone. I forgot to start retaking pill after 7 day break a couple of years ago. I bleed consistently (not heavy, more like spotting) for about 2 weeks until I remembered and started taking it again! But that hasn't happened this time.
Sorry for the essay! Good luck and hope your cycles settle easily