I'm PCOS and I know other vegan PCOSers. How much protein are you getting? The book Vegan for Life is an interesting read for anyone interested in vegan nutrition.
For me, I get between 60g to 100g of protein per day. I get 60 without trying but closer to 100 I might have to work it. I think that is the range you'd find for most vegans who eat a balanced diet without heavily focusing on protein.