Hello and welcome!

I have PCOS so for years my cycle was never regular (unless I was on the pill!).

It's up to you if you want to come off the pill. It's Murphy's Law isn't it - if take the risk and come off before the wedding then you will get pregnant! However if you don't come off then it might take ages.

The main thing will be to manage your weight with your PCOS when you do come off the pill. I'm not sure of your size, however my experience was that I never had problems with my weight when I was on the pill. However when I came off the pill, I put on about 15 kgs.

I will just back up what mobykat has said about lifestyle - low GI, lots of exercise and generally being healthy is the best preparation you can do for conception / pregnancy. Keeping your weight down and being healthy will ensure regular periods / ovulation which will in turn (hopefully!) make it easier to fall pregnant.

You might want to think about taking folate daily in the months prior to coming off the pill in case you do fall pregnant straight away, but that might be a bit OTT.

Good luck with it all!

Cheers,
Fiona