<prompt> Method of sterilization which is least effective is -Pomeroys techniqueLaparascopyVaginal fimbriectomyHysteroscopic tubal occlusion  <response>: Ans. is d Hysteroscopic tubal occlusion Hysteroscopic tubal occlusion is done by 2 methods and both these methods have high failure rates.Due to high failure rate this method is obsolete nowPomeroys method has failure rate of 0.4Laparoscopic sterilization has failure rate 0.6Fimbriectomy - Permanent sterilization 