IL4 and endometriosis: Many research have demonstrated serum levels of IL-6 are increased in overweight and obese subjects.[25,26] Furthermore, endometriosis shows an inverse correlation with BMI and lower BMI is considered as a predictive factor not only for any type of endometriosis but also for severe ones.[27–29] We need longer follow-ups to determine if BMI influence diagnostic performances of miR-17, IL-4, and IL-6.