Common menstrual disorders

Clinically significant PMS is experienced infrequently by young girls and adolescents. It becomes more prevalent as women get older and is reported in up to 40 per cent of older women. To date, the etiology and underlying pathophysiologic mechanisms leading to symptoms of PMS have not been identified. Although multiple treatments are utilized, randomized double-blind crossover studies have failed to confirm the benefit of any one regimen. Most adolescents should be managed with reassurance and dietary and exercise modifications rather than with medication.