TTC for 7 years

Hi I've now being TTC for that past 7tears and still no luck I have pcos and the hospital put me on metformin tablets but they play havoc with my stomach and can no longer take them I am trying my hardest to lose weight but is so hard without help of medication I have lost over 2 stone and the doctors still won't help fertility clinic won't see me until I lose more weight I just feel like giving up is anyone else having these problems?? Xx