The following statements are related to occipito posterior except: (A) Malrotation of occiput may cause occipito sacral arrest, (B) 10% cases are associated with anthrapoid or android pelvis, (C) Incomplete forward rotation of occiput may cause deep transverse arrest, (D) Non rotation of occiput may cause are associated
Answer is B. In more than 50% the occipito posterior position is associated with either anthrapoid or android pelvis