presentation

(pre-zen-ta's hun). The part of the body of the fetus which is in advance during birth. Any part may present, so that there may be an arm, hand, shoulder, foot, leg, etc., presentation, but a normal presentation is one of either pole the vertex or the breech, breech fetus—the p., p. of any part of the pelvic extremity of the nates, knees or feet; more properly only of the nates cephal'ic head—vertex, p., head p., the p. of any part of the fetal brow, face, parietal eminence, ear, or greater fontanelle. footling p., foot p., the descent of the fetus feet first, pelvic p., a p. of the breech or any part of one or both lower extremities, oval—cephalic polar p., the p. of either pole of the fetal or breech p. placen'tal p. placenta praevia. transverse' p., cros3-birth, a p. in which some part of the trunk appears at the OS uteri, the fetus lying cro wise in the uterus. vertex p., the normal cephalic p.