Effect of Progressive Relaxation Versus Isometric Exercises in Management of Primary Dysmenorrhea

Inclusion Criteria: * The regularity of the menstrual cycle is 28 to 34 days. * All of them suffer from moderate and severe dysmenorrhea pain on visual analogue scale. * Their BMI will be less than 30 kg\\m2. Exclusion Criteria: * Any pathological findings in the pelvic cavity as polycystic ovarian syndrome, endometriosis and pelvic inflammatory disease. * Any history of gynecological intervention. * Secondary dysmenorrhea. * Irregular menstruation