I always used to think if a disease wasn't life threatening then it could be lived with. An incredibly naive view of a then teenager. That all changed when I was diagnosed with PCOS at 19. Rather than list what it is I've written this as what I've learnt.. it might be helpful it might not.

What have I learnt about PCOS? In no particular order

Investigation/Diagnosis

Insist on a blood test to monitor your hormone levels initially - there is a characteristic blood pattern
Ask for an ultrasound of your ovaries if it's not offered - much more common these days with increased knowledge - if they don't think it worthwhile doing ask them why
NHS waiting lists are loooooong. This is the most frustrating part. You wait for investigations for diagnosis then you wait for fertility treatment (if you want it)

Coping strategies

Exercise - the only way I can control my symptoms it helps to alter your metabolism
It's actually a metabolic disease (shocked me too when gynae consultant told me that
Seek support from patient groups like verity to know you're not alone
If you don't ovulate and don't intend trying for children then try the pill it takes a while to find the right one but it can help reduce some of the symptoms. Don't give up at the first one they put you on. Perservere!
GI diet can help to control weight and even if you are not overweight it can help your metabolism

I've been through fertility treatment I shall post my review of that elsewhere. If you are trying to conceive good luck and keep positive.