Metformin???? anybody???

Andrea
anybody have any stories or tips on Metformin....I had Nexplanon my first year in marriage and took it out after 9 months and haven't been able to get pregnant since...my doctor says I wasn't even ovulating -_- for a whole year me thinking I may be pregnant soon...so they put me on Metformin to start ovulation and regulating periods again..been on for a month any experiences out there????