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

vertex presentation

(in obstetrics) a fetal presentation in which the vertex of the fetus is the part nearest to the cervical os and can be expected to be born first. Compare breech 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.
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.
Because most of fractures occurred during a vertex presentation, vaginal delivery may be a risk factor for BF in comparison with cesarean section.
It is indicated for use after membrane rupture in a singleton fetus in a vertex presentation.
II: Combination of presentations in multifetal gestation, the commonest being both vertex presentation.
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.