Brass is polished by ashes; copper is cleaned by tamarind; a woman, by her menses; and a river by its flow.
In study at the Mayo Clinic covering fifty consecutive young women with hypothyroidism, twenty-eight has menstrual disturbances. Abnormally profuse menses was a common disturbance; frequent bleeding between periods was another; in some cases, both problems were present. Thyroid therapy relived the disturbances.
Women have always been seen as waiting: waited to be asked, waiting for our menses, in fear lest they do or do not come, waiting for men to come home from wars, or from work, waiting for children to grow up, or for the birth of a new child, or for menopause.