vertex presentation


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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
Farlex Partner Medical Dictionary © Farlex 2012

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.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

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.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
The present study showed that the MOD of nulliparous mothers, at term having singleton pregnancy with vertex presentation is significantly influenced by induction of labour, timing of delivery, duration of labour and the birth weight of baby.
In this series, the incidence was high in breech presentation (56.5%) when compared to vertex presentation (43.5%).
The proposed indication for the device is for use in a planned vaginal delivery of a term singleton fetus in a vertex presentation when there is a need "for close fetal surveillance during labor, or there are maternal disorders and/or uteroplacental dysfunction with potential adverse influence on fetal oxygen and nutritional supply, or there is a deviation from the normal course of labor including induction/ augmentation of labor."
And the long-accepted Friedman curve may not be an accurate description of normal labor progression, according to a new analysis of data from 1,329 nulliparous women aged 18-34 undergoing singleton, vertex presentation deliveries following spontaneous labor, said Dr.
There were 47.7 percent vertex presentations in the control group.
Based on a modified Bromage score to test for motor block, no significant differences in ambulating ability were found in the three test groups of patients with single vertex presentations at term who requested an epidural.