Welcome to HCM Forum,
I can understand dilemma you must be going on.Doubts you might have that is you doing right thing continuing psychiatrist
follow up considering age related changes.
As you mentioned that from many years you on treatment for Bipolar from psychiatrist.Symptoms of Bipolar are more mental i.e. mood related and Menopausal symptoms are more physical i.e.Sweats,hot flushes,body ache
Only expert person can identify difference and specially, one from whom you taking treatment for prolonged time can able to differentiate this.
Remember that bipolar disorder
requires prolonged treatment.
So share with your problem with your psychiatrist - he will definitely help you.
Hope this helps to you.