I didn't think I did as my RE never mentioned it (but I was only on it for 2 wks before I got pg). However, my OB gave it to me and when I requested that we increase my doseage to 1500mgs, she said I needed to have my liver checked and sent me back to my RE. Anyone? TIA!
My RE does a full liver panel every 6 months while on met. The drug is heavily metabolized in your liver, so they like to keep an eye on your liver funciton to make sure all is well!