<prompt> In which fetal presentation vaginal delivery can be expected:Face presentation when the chin lies direct to the sacrumBrow presentationShoulder presentationFace presentation when the chin lies under the symphysis pubis  <response>: Vaginal delivery is not possible in:Brow presentationShoulder presentation transverse lieMentoposterior presentation of face i.e. when chin lies directed to sacrumIn mentoanterior, i.e when chin lies under the symphysis pubis vaginal delivery is possible. 