Welcome to HCM,
Thanks for posing your concern,
You are not a diabetic just Over weight and your weight is 65 kg it depends on your height, if your BMi is more than 30 than there may be insulin resistance
and what is known as metabolic syndrome
Associated with PCOD in many women.
Please take care of diet and exercise as taking low calories in diet and regular Physical exercise is best way to reduce weight.
You should consult Physician and Gynecologist to see if Metformin
is indicated in your case or not.
In very Obese
patients Metformin helps to reduce weight,you should not take it without professional advise.
You are not diabetic and Hypoglycemia
is less common with it but can occur.
Please take care