It will include 25 participants suffering from primary dysmenorrhea who will receive acupressure ice massage on SP6 and L14 acupoints, 10 minutes on each point for 20 minutes each session, 5 sessions per cycle (through the 5 days before menstruation) for 3 consecutive menstrual cycles, in addition to pelvic rocking exercises, 15 minute/session, 3 times /week, for 3 successive menstrual cycles.

It will include 25 participants suffering from primary dysmenorrhea, who will perform pelvic rocking exercises only, 15 minutes/session, 3 times /week, for 3 successive menstrual cycles.

• It will be used for participants in group (A), 2 cm diameter circular ice pieces will be placed inside plastic bags and covered with a thin gauze to prevent moisture transmission and direct ice contact with the skin to apply ice massage.
• Ice massage will carried out rotationally each 1 minute (30 seconds clockwise and 30 seconds counterclockwise) on L14 point for 10 minutes and on SP6 point for another 10 minutes.

It will be assessed for each participant in both groups (A & B) before and after treatment, using the visual analogue scale (VAS). 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 ". It's simplicity, reliability and validity as well as its ratio scale properties make the VAS the optional tool for describing pain intensity.

A pressure algometer will be used to measure pain pressure thresholds (PPTs) for all participants in both groups before and after treatment, coinciding with peak menstrual pain on the first day of menstruation. Six specific points around the umbilicus and lower back will be assessed, with each point measured twice using a 1-cm² probe applied at 30kPa/s. The areas will be cleaned with alcohol before testing. Two points will be measured 4cm bilaterally from the umbilicus, two more 4cm below these, one 4cm below the umbilicus, and one in the lumbar region at S2-S4. The mean values of these points will be used for PPT data analysis.

It will be used pre and post- treatment to assess the severity of symptoms of primary dysmenorrhea for all participants in both groups (A & B). The MDQ 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. For each items, there is 5 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 sub-scales as (pain, water retention, autonomic reactions, negative affect, impaired concentration, mood and behavioral changes, arousal control). Overall Score was interpreted as follows :< 50 - mild , 50 to 70 - moderate and >70 severe.