After 857 women with Essure system inserted for tubal obstruction as a method of sterilization in an outpatient setting, insertion is achieved in close to 99% of the women. Physician described the procedure as very difficult in 15% of the cases, mainly due to anatomical tubal anomalis or tubal spasm, and women felt highly satisfied in all cases.Keywords Essure, female sterilization, hysteroscopy, satisfaction.Please cite this paper as: Miño M, Arjona J, Cordó n J, Pelegrin B, Povedano B, Chacon E. Success rate and patient satisfaction with the Essure TM sterilisation in an outpatient setting: a prospective study of 857 women. BJOG 2007;114: 763-766.