<prompt> The following are related to face presentation exceptThe commonest position is LMAEngaging diameter is submentobregmaticThe diameter distending the vulval outlet is mentoveical!During moulding, there is elongation of occipitofrontal diameter  <response>: The engaging diameter is submentobregmatic 9.4cm.In face presentation,the biparietal diameter is 7cm behind the face unlike in veex,where it is only 3-4cm distant.The biparietal diameter will pass through the inlet only when the face is low down in the perineum refer pgno:372 sheila textbook of obstetrics 2 nd edition 