Causes of post menopausal bleeding could be ovarian cyst fibroids and
endometriosis, diseases of pituitary gland, hormonal imbalance of estrogen and
progesterone, thyroid hormone imbalance and diabetes. Your doctor may consider tests like blood sugar levels, thyroid function test, prolactin, follicle-stimulating hormone (FSA), estrogen, and testosterone. Imaging studies, such as ultrasound, X-ray, and CT scan or MRI brain may also be recommended in certain individuals.