Your question: have thick white discharge in vagina and milky white in vulva area. no itching, odor, or burning. could it be a yeast infection?

Not that likely: It is possible that it is yeast but not very likely because yeast infections usually cause a lot of itching. Please see your doctor for testing to determine the cause of the discharge. You will need a pelvic exam and some tests done on the discharge to determine the cause.

Could be: Yes, it could be. You should have it checked if it is a new/different discharge for you .

GYNECOLOGIST: You should see a Gynecologist to be sure of your diagnosis and receive treatment for your problem.