Assessment of the pelvic pain experienced by infertile women is of prime importance for diagnosing endometriosis.

To provide evidence regarding the significance of painful symptoms among women suffering from infertility. An observational retrospective cross-sectional study SETTINGS: University hospital-based research center PATIENTS: Infertile patients aged between 18-42 years surgically explored for benign gynecological conditions between 01-2004 and 12-2020. For each patient, a standardized questionnaire was completed during a face-to-face interview conducted by the surgeon in the month preceding the surgery. Preoperative assessment the pain symptoms was recorded. Pain intensity was assessed with a 10cm visual analog scale (VAS). The pain was considered to be severe when the VAS score was ≥ 7. Surgery was performed in 839 infertile women. 451 women had severe pelvic pain. Infertile patients with severe pain significantly more often had endometriosis (67.4% versus 30.7% respectively; p<0.001) than infertile women without severe pelvic pain, and especially deep infiltrating lesions (43.2% versus 8.5% respectively; p<0.001). Moreover, these women more often had intestinal endometriosis lesions (28.4% versus 1.8%; p<0.001). After multivariable regression analysis, the presence of endometriosis, irrespective of the phenotype (superficial lesions (OR1.84[1.19-2.86] and/or ovarian endometrioma OR 2.79[1.70-4.59] and/or deep infiltrating endometriosis OR 4.49[2.69-7.51]), and the presence of at least one intestine endometriosis lesion (OR6.49[2.69-7.51] were significantly associated with severe pelvic pain. Severe pelvic pain is significantly associated with endometriosis and especially deep infiltrating lesions in a population of infertile women. These results demonstrate the importance of thorough questioning regarding pelvic pain symptoms during the initial management of infertile patients.

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