My SO wants me to get off birth control!

I want off of it because we're going to start activity ttc we were ttc before but that's not the point.... what should I expect mood swings etc when getting off of it? I'm on the pill so I'll choose just to not take it but I been on it since I was 14 what should I expect? Will my body change? Help me out plz opinions... & YES my SO will stay obviously we're in the works of getting married soon.... *sorry if it's in the wrong group* what kind of prenatal vitamins are the best to start taking as well? Thank u