face presentation

Face presentations account for less than 1% of presentations at term.

In an uncomplicated face presentation duration of labor is not altered.

Face presentations are classified according to the position of the chin (mentum):

The task used to measure temporal memory consisted of discriminating between recent and less recent face presentations.

In the brow presentation the head is slightly extended, but less than in the face presentation.

While some consider the brow presentation as an intermediate stage towards the face presentation, others disagree.

The chin presentation is a variant of the face presentation with maximum extension of the head.

Last year ACET educators saw 24,500 pupils in face to face presentations.

Most face presentations can be delivered vaginally as long as the chin is anterior; there is no increase in fetal or maternal mortality.

Factors that predispose to face presentation are prematurity, macrosomia, anencephaly and other malformations, cephalopelvic disproportion, and polyhydramnios.

Perinatal losses with face presentation occur with traumatic version and extraction and midforceps procedures Duff indicates that the prevalence of face presentations is about 1/500-600.

In the sinicipital presentation the large fontanelle is the presenting part; with further labor the head will either flex or extend more so that in the end this presentation leads to a vertex or face presentation.

He postulated it to be an essential element of all language interchanges, and claimed (1986:10): "A satisfactory theory of linguistic meaning cannot ignore questions of face presentation, nor other politeness phenomena that maintain the co-operative nature of language interchange."