You seem to be suffering from post cholecystectomy
syndrome and it describes the presence of abdominal symptoms after surgical removal of gall bladder
The symptoms are right quadrant pain,nausea,vomiting,bloating etc.
In 50% cases the cause is biliary and due to remaining stone,choledococyst etc while in remaining 50% cases,it is due to non biliary causes.
You must consult your surgeon and get yourself evaluated.
Your temperature is due to residual viral infection and shall be all right soon.
For PCOS you must take METFORMIN 500 mg twice a day to reduce your insulin resistance
and must start a regular exercises schedule to reduce your weight.
Get yourself tested for hypothyroidism
Consult a gynecologist,if you are planning a pregnancy,otherwise consult a endocrinologist
for the management.