RESUMEN
OBJECTIVE@#To determine the efficacy of second generation endometrial ablation (NovaSure) combined with levonorgestrel-releasing intrauterine system (Mirena) in the treatment of adenomyosis.@*METHODS@#Clinical data of patients with adenomyosis admitted in Women's Hospital, Zhejiang University School of Medicine from January 2015 to December 2018 were retrospectively analyzed. Among 66 patients, 44 received Mirena placement only (control group) and 22 received Mirena placement and NovaSure treatment (study group). The menstruation blood loss, dysmenorrhea score, uterine size, expulsion rate of Mirena and the patients' satisfaction rate were assessed in two groups.@*RESULTS@#There was a significant reduction in menstruation blood loss (0.05).@*CONCLUSIONS@#NovaSure can improve the efficacy of Mirena in treatment of adenomyosis.