“…In the United States, endometriosis accounts for one third of hospital admissions for gynecological causes, 8 while one study conducted in Italy showed that the annual cost of inpatient treatment is about 54 million euros. 9 Broadening the spectrum of the 'endometriosis disease' to the 'endometriosis syndrome', several studies demonstrate the association of other comorbidities with the most common complaints of the endometriosis (dysmenorrhea, deep dyspareunia, noncyclic pelvic pain and infertility), like autoimmune diseases (systemic lupus erythematous, rheumatoid arthritis, among others), 10e12 ovarian cancer, 10e14 psychiatric disorders (depression, anxiety, among others), 15e17 atopic diseases (asthma, sinus allergic rhinitis and dermatitis), 10,12,18,19 migraine, 20e23 sleep disorders, 24 urinary functional disorders, 25 visceral syndrome (constipation or diarrhea, nausea or vomiting, among others), 26 among others. Some of these comorbidities are not associated with chronic pain, and present genetic correlation with endometriosis.…”