<prompt> Method of sterilization which is least effective is:Pomeroys techniqueLaparoscopyVaginal fimbriectomyHysteroscopic tubal occlusion  <response>: 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 : Pomeroys method 0.430deg Madiener 7 Irwing Irreversible Fimbriectomy Irreversible Laparoscopic sterilization 0.6 Hysteroscopic tubal block Cauterisation 30 Sclerosants 15 