vertex presentation


ce·phal·ic pre·sen·ta·tion

presentation of any part of the fetal head, usually the upper and back part, as a result of flexion such that the chin is in contact with the thorax in vertex presentation; there may be degrees of flexion so that the presenting part is the large fontanel in sincipital presentation, the brow in brow presentation, or the face in face presentation. Synonym(s): head presentation

vertex presentation

Anterior presentation, crown presentation, occiput presentation Obstetrics A head position at the time of delivery, where the crown of the baby is the presenting part; VP is the easiest presentation to deliver. See Cephalic presentation, Cesarean section.

ce·phal·ic pre·sen·ta·tion

(sĕ-fal'ik prez'ĕn-tā'shŭn) Presentation of any part of the fetal head, usually the upper and back part as a result of flexion such that the chin is in contact with the thorax in vertex presentation; there may be degrees of flexion so that the presenting part is the large fontanelle in sincipital presentation, the brow in brow presentation, or the face in face presentation.