IRCT2016060828038N2 IRCT 2016-06-14 Vice chancellor of research of Hormozgan University of Medical Science Acupressure and premenstrual syndrome (PMS) Effect of acupressure on quality of life in girls with PMS 2015-03-20 anticipated 90 Complete https://irct.ir/trial/22838 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Other design features: Method of one blind was as that the subjects were not aware of their allocation to study groups. Randomization was done with random numbers table. 2 Premenstrual syndome. Intervention 1: First intervention: Acupressure done in the third hepatic point that located at dorsal surface of the foot between the first and second toes at the point of bones junction. Intervention 2: Second intervention: Acupressure done in the large intestine point that located at the dorsal surface of the hand between thumb and index finger approximately at the middle of the second metacarpus bone. Intervention 3: Third intervention: Acupressure done in the placebo point that located at dorsal surface of the foot between the third and the forth toes which is not in the line of meridian.