<prompt> The following statements are related to occipitoposterior except :Malrotation of occiput may cause occipitoacral arrest10 cases are associated with anthropoid or android pelvisIncomplete forward rotation of occiput may cause deep transverse arrestNon rotation of occiput may cause  <response>: Occipitoposterior position : In more than 50 of occipitoposterior position is associated with anthropoid or android pelvis Ref: Datta Obs 9e pg 343. 