This study will be a quasi experimental study in which females aged 18 - 30 years with primary dysmenorrhea will be recruited in single group. They will be given a total of 3 sessions of treatment during a period of one menstrual cycle (One Week). Before and after the introduction of intervention pain and quality of life of participants will be assessed.

Primary Dysmenorrhea is one of the most prevalent gynecological conditions which impacts the quality of life of young females.Primary dysmenorrhea is defined as cramping like pain during menstruation cycle without the presence of any pelvic pathology it is associated with symptoms like headache,vomitting and irritability.The aim of our study is to determine the effects of muscle energy technique in young females with primary dysmenorrhea in terms of pain and quality of life.This study will be a Quasi Experimental study.It will be conducted at Foundation university college of physical therapy.Paticipants will complete WALIDD scale,NPRS and WHOQOL at baseline and then after intervention.All participants will receive post isometric relaxation of global muscles of core commonly involved in primary dysmenorrhea(Gluteus Maximus,Illiopsoas and Piriformis).Post isometric relaxation technique will be applied to all the participants with participants using 20% of their maximum voluntary contractio with held time of 6-10 seconds followed by 15 to 30 seconds stretch,rest time of 5 seconds between each repetitions and 3-5 repetions.There will be a total of 3 sessiond of treatment(1st on second day of menstruation,2nd on fourth day of menstruatio and 3rd on seventh day of menstruation)during a period of one week (one menstraul cycle).

Inclusion Criteria:

• Female aged 18 - 30
• Primary Dysmenorrhea
• Unmarried

Exclusion Criteria:

• Not on any contraceptive medicine for treatment of pelvic pathology
• Secondary Dysmenorrhea and other issues such as endometriosis, Pelvic inflammatory disease, Ovarian cyst

Female between ages 18-30 years