can it be ...????

bunu
last month i was digonised an ovarian cyst.... took medicines for some weeks n had sonography n doctor said no more cysts ...
​but I have some symptoms yet...
​I've some white fluid n creamy discharge from vagina , abdominal pain , and also tender nipples pain and most is weight gain so fast  
​and the thing is I can't lose my weight no matter what I do  it's increasing everyday :( 
​ can it be a PCOS ???? can someone help me know plsss ??