<prompt> Regarding diameters of normal female pelvis, which of the following is TRUEOblique diameter is the largest diameter of inletAP Diameter is the shoest diameter at brimObstetric conjugate indicates status of mid pelvisObstetric conjugate is calculated by adding 1.5 cm to diagonal conjugate  <response>: There is reason to suspect midpelvic contraction whenever the interspinous diameter is less than 10 cm. If the diameter is 8 cm or lesser, then its Diagnosed mid pelvic contraction 