Metrorrhagia and Menometrorrhagia

Metrorrhagia is characterized by bleeding that occurs between regular menstrual periods. This bleeding is usually less htan or equal to menses. Primary causes include cervical lesions (polyps, eversion, carcinoma) and endometrial polyps and carcinoma. 

Menometrorrhagia is excessive (greater than 80 mL) or prolonged bleeding at irregular intervals. The usual causes include uterine fibroids, adnomyosis, endometrial polyps, hyperplasia, and cancer. Thyroid disorders can result in increased or decreased flow or no change in menstrual flow.