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9 sty 2023 · The term presentation describes the leading part of the fetus or the anatomical structure closest to the maternal pelvic inlet during labor. The presentation can roughly be divided into the following classifications: cephalic, breech, shoulder, and compound.
Presentation refers to the part of the fetus’s body that leads the way out through the birth canal (called the presenting part). Usually, the head leads the way, but sometimes the buttocks (breech presentation), shoulder, or face leads the way.
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.
Fetal position: Relation of the presenting part to an anatomic axis; for vertex presentation, occiput anterior, occiput posterior, occiput transverse. Fetal lie: Relation of the fetus to the long axis of the uterus; longitudinal, oblique, or transverse.
1 sie 2018 · Five percent of fetuses present in brow, face, or compound presentations, many of which result in vaginal delivery. Patients should be counseled about increased risk for cesarean delivery due to fetal distress, labor arrest, or persistent malpresentations.
30 sie 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. Whilst a brow presentation is incompatible with a vaginal birth, spontaneous flexion to a vertex presentation or extension to a face presentation may occur ...
Brow Presentation: Brow is a cephalic deflection malpresentation with the partially deflexed fetal head midway between complete flexion (vertex) and full extension (face) (Fig. 2). The frontal bone is the designated point for its position in maternal pelvis.
