ABSTRACT Objective To determine the correlations between coping strategies, depression, stress levels and pain perception in patients with endometriosis. Methods This prospective and exploratory study included 171 women undergoing treatment for endometriosis between April and August 2014. The questionnaires used were Brief COPE, Beck Depression Inventory, Lipp’s Stress Symptom Inventory for Adults and Visual Analogue Scale. Clinical data were collected from electronic medical records. Results Patients with endometriosis who used positive coping strategies had better adaptation to stress (p