<prompt> Posterior colpotomy is done for?Pelvic abscessPelvic HaematoceleOvarian abscessAll  <response>: ANSWER: D AllREF: Infectious Diseases of the Female Genital Tract by Richard L. Sweet, Ronald S. Gibbs - Page 109Posterior colpotomy is done to evacuate pus and to establish drainage from a pelvic cul-de-sac abscess or a tubo-ovarian abscess. It is also done in a search for blood when tubal pregnancy is suspected.Posterior colpotomy has the advantage over culdoscopy and colpocentesis in that it gives much more diagnostic information. It is safer than anterior colpotomy 