Method of sterilization which is least effective is:

Ans. is d i.e. Hysteroscopic tubal occlusion Coplc tubal occlusion Cauterisation (Failure rate 30%) Sclerosants (Failure rate 15%) I - Due to high failure rate these methods are obsolete now Hysteroscopic tubal occlusion is done by 2 methods and both these methods have high failure rates. Also Know : Pomeroy's method 0.4'3/0deg Madiener 7% Irwing Irreversible Fimbriectomy Irreversible Laparoscopic sterilization 0.6% Hysteroscopic tubal block Cauterisation 30% Sclerosants 15%