1)If you miss your periods this time....get a urine pregnancy
test done to confirm pregnancy.
2)If you do not conceive in this cycle ..you need to start ovulation inducing drugs like clomiphene
citrate from the second day of your cycle because in PCOS
there are anovulatory cycles( i.e.No ovulation).
3)Consult your gynaecologist for follicular studies and further management.
4)you can continue taking Metformin