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9 Ιαν 2023 · Brow presentation is considered the rarest of all malpresentation, with a prevalence of 1 in 500 to 1 in 4000 deliveries.[3] The term presentation describes the leading part of the fetus or the anatomical structure closest to the maternal pelvic inlet during labor.
16 Ιουν 2023 · The vast majority of fetuses at term are in cephalic presentation. Approximately 5 percent of these fetuses are in a cephalic malpresentation, such as occiput posterior or transverse, face (figure 1A-B), or brow . Diagnosis and management of face and brow presentations will be reviewed here.
Brow presentation constitutes an absolute foeto-pelvic disproportion, and vaginal delivery is impossible (except with preterm birth or extremely low birth weight). This is an obstetric emergency, because labour is obstructed and there is a risk of uterine rupture and foetal distress.
22 Δεκ 2021 · Brow presentation is the least common of all fetal presentations and the incidence varies from 1 in 500 deliveries to 1 in 1400 deliveries. Brow presentation may be encountered early in...
30 Αυγ 2023 · Brow presentation may be suspected in cases of poor labour progress and is diagnosed during vaginal examination by palpation of root of the nose, supraorbital ridges and anterior fontanelle.
In brow presentation, the neck is moderately arched so that the brow presents first. Usually, fetuses do not stay in a face or brow presentation. These presentations often change to a vertex (top of the head) presentation before or during labor.
Pertinent etiologic factors encountered in a series of J 56 patients with brow presentation, represenling an incidence of 1 in 670 deliveries, include cephalopelvic disproportion and prematurity only.
