AF on metformin

Nicole
So this cycle will be my first since starting metformin. So far Ive lost about 6 lbs and I've been feeling really good about myself which helps so much since I was pretty upset about having pcos. Normally Ive had sweets cravings and pms like crazy before my period but I haven't had any of that and I should be getting my period around now. The only thing Ive had is incredibly sore nipples, headaches nearly every day (they only last 15 mins or so and aren't bad enough to take anything) and today I feel bloated but Ive also been a little constipated the last 2 days. Did anyone find that their cycles/symptoms were different once starting metformin? I'd love to think I could be pregnant but I don't think our timing was on this month.