<prompt> CPD is best assessed by:CT scanUltrasoundRadio pelvimetryPelvic assessment  <response>: Ans. is d, i.e. Pelvic assessmentRef Dutta Obs. 9e, p 329IOC for detecting CPD or pelvic assessment or adequacy is - MRI.Best method of detecting CPD-Trial of labor MRI manual pelvic assessment.Pelvic assessment is done at 37 weeks in primigravida and at the onset of labor in multigravida. 