Sex drive = gone


So me and my husband have been ttc for going on 3 years and at first I was just as active as he was...but now I almost hope he falls asleep on the couch so I don't have to try to avoid it or tell him no...I do have a thyroid disorder so I know I have a hormonal imbalance but when I brought it up to my doctor all she said was we needed to try new stuff in the bedroom? I just dont know what to there medicine or something like a viagra for women? I'm open to all suggestions lol