Objective(s) - To evaluate efficacy of thermal balloon therapy in 75 cases of post tubectomy menorrhagia (within 5 yrs of tubectomy) by thermachoice II. Study Design(s) : This randomized prospective study was conducted in Department of Obstetricsand Gynaecology, Zenana Hospital, Jaipur. 75 cases of post tubectomy menorrhagia were selected from gynae outdoor with no organic lesion, were treated with uterine thermal balloon therapy by thermachoice II. Patients were followed for 3, 6 and 12 months in terms of relief in menorrhagia and results were statistically analysed. Result(s) : Menorrhagia transformed into eumenorrhoea in most of patients.