It will include 29 females suffering from primary dysmenorrhea. They will be asked to follow lifestyle modification advice during the program duration.

It will include 29 females suffering from primary dysmenorrhea. They will be given the same lifestyle modification advice as group A, in addition to performing a combination of various functional exercises (including two stretching exercises, one yoga position, two core-strengthening exercises, two pelvic area exercises, and Kegel exercises), for 45 minutes per session, three times /week for eight weeks.

All female participants in groups A and B will be provided with lifestyle modification advice, including recommendations such as reducing caffeine intake, limiting salt consumption, decreasing animal fat consumption, quitting smoking, practicing relaxation techniques, applying heat when needed, considering the use of herbal agents, avoiding cold drinks and foods, and opting for loose, cotton clothing.

It will be used to measure pain intensity for each female in both groups (A&B) before and after the end of treatment. The VAS is usually presented as a 10 cm horizontal line on which the participants' pain intensity is represented by a point between the extremes of "no pain at all "and "worst pain imaginable. " Its simplicity, reliability, and validity, as well as its ratio scale properties, make the VAS the optional tool for describing pain intensity.

It will be used to evaluate menstruation symptoms and distress for each female in both groups (A&B) before and after the end of treatment. It consists of symptoms or feelings associated with menstruation. The total number of items is 47. It is a 5-point rating scale from 0-4. Each item has five options, i.e., No, mild, moderate, severe, and very severe. An option of (very severe) has a score of 4, (severe) has a score of 3, (moderate) has a score of 2, (mild) has a score of 1, (No) has a score of 0. It includes seven subscales as (pain, water retention, autonomic reactions, negative affect, impaired concentration, mood and behavioral changes, and arousal control). The overall score was interpreted as follows: <50 - mild, 50 to 70 - moderate, and >70 severe.

It will be used to assess health-related quality of life for participants of both groups (A&B) before and after the end of the treatment program. It consists of items that evaluate overall enjoyment and satisfaction regarding; Physical Health, mood, work, household and leisure activities, family and social relationships, ability to function in daily life, economic status, living or housing situation, ability to get around physically, ability to do work or hobbies, and overall sense of being. Responses will be scored on a five-point scale (from "very poor" to "very good"), where higher scores indicate better enjoyment and satisfaction with life. Scores will be added and presented as a percentage of the total maximum score. A percentage of the total score of > 70 represents the normal quality of life.