My sister is having pcod. She consulted a gain n she gave her Metformin 1000 plus 500 then due to stomach issues becoz of it she continued only metformin 1000 but its now been quite few months tat she have not visited a Dr. so do she have to continue this medicine or have to stop taking it. As Dr. had told her tat she has to take it for quite a long tym may b lyf tym She was not having regular periods she was having gap to 3to5 months but Alhumdilullah now it is regular but sometimes miss on monthly bases Kindly ans my question What to do for pcod? For having regular periods. And she also is having weight gain 72 her height is 5'6 .What to do for that?