<prompt> In Mullers maneuver to predict cephalopelvic disproportion CPDThe vaginal finger is at ischial spineThe vaginal finger is at sacral promontory and thumb at the pubic symphysisThe vaginal finger is at tip of sacrumNone of the above  <response>: Ans. a The vaginal finger is at ischial spine Ref. Dutta Obst 6th353Muller introduced the abdominovaginal method of diagnosing CPD at the brim by placing the vaginal finger at the level of ischial spine to note the descent of the fetal head.Munro-Kerr added placement of the thumb over the synmphysis pubis to note the degree of overlapping. 