“…The study women were aged between 13 and 50 years (two studies 21,22 did not report participant ages, only the mean value). Some of the patient characteristics required for participation in the studies were regular menstrual cycles 21 ; not exercising or doing yoga 21,23 ; discomforts related to endometriosis (i.e., dyspareunia, dysmenorrhea, or chronic pelvic pain) 12,22 ; surgery to confirm the diagnosis of endometriosis 11,12,[23][24][25][26] ; no prior acupuncture experience 24 ; and candidate for use, current use, or failure to use hormonal therapy. 12,[24][25][26] Two studies were conducted in the USA, 21,24 one in China, 25 one in Germany, 11 one in Sweden, 22 and three in Brazil.…”