presentation at labour

In face presentation, the baby's neck arches back so that the face presents first rather than the top of the head.. 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.

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. Cephalic presentation is the most common and can be further subclassified as vertex, sinciput, brow, face, and chin.

More than 50% of brow presentations will convert to vertex or face presentation and labor courses are managed accordingly when spontaneous conversion occurs. In the brow presentation, the occipitomental diameter, which is the largest diameter of the fetal head, is the presenting portion. Descent and internal rotation occur only with an adequate ...

The way a baby is positioned in the uterus just before birth can have a big effect on labor and delivery. This positioning is called fetal presentation. Babies twist, stretch and tumble quite a bit during pregnancy. Before labor starts, however, they usually come to rest in a way that allows them to be delivered through the birth canal headfirst.

INTRODUCTION. The fetus undergoes a series of changes in position, attitude, and presentation during labor. This process is essential for the accomplishment of a vaginal delivery. The presence of a fetal malpresentation or an abnormality of the maternal pelvis can significantly impede the likelihood of a vaginal delivery.

The first stage of labor is the longest of the three stages. It's divided into two phases — early labor and active labor. Early labor. During early labor, also called latent labor, the cervix opens and softens. It also gets shorter and thinner. The cervix opens less than 6 centimeters (cm) in early labor.

Describing the mechanism of labour is a common topic for OSCEs and MCQs. Although on the surface it can appear complicated, breaking the process down into individual steps makes it much easier to understand. Normal labour involves the widest diameter of the fetus successfully negotiating the widest diameter of the bony pelvis of the mother via ...

This video provides a step-by-step demonstration of the stages of labour. It also covers key fetal positions during labour that you may need to describe duri...

Presentation on theme: "Understanding the stages of labour"— Presentation transcript: 1 Understanding the stages of labour The stages of labour are commonly broken down into three main phases. This is misleading, however, in that the first stage is comprised of three sub-phases and is what most people identify as labour.

See the separate Breech Presentations article for more detailed discussion. Breech presentation is the most common malpresentation, with the majority discovered before labour. Breech presentation is much more common in premature labour. Approximately one third are diagnosed during labour when the fetus can be directly palpated through the cervix.

Before discussing the mechanism of labour we should describe the following terms The lie: This is the relation which the fetus bears to the longitudinal axis of the uterus. The lie may be 1.Longitudinal. 2.Oblique. 3.Transverse. Presentation: The presenting part of the fetus is that part which is in or over the pelvic brim and in relation to the cervix.

Presentation Transcript. There are three stages to labour: • The first stage of labour, when your contractions make your cervix gradually open up (dilate). This is usually the longest stage. • The second stage of labour is when your cervix is fully open and you give birth. This is the part of labour where you help your baby move through ...

STAGES OF LABOR. DR. RAZAQ O. MASHA,FRCOG Asst. Prof. & Consultant. FIRST STAGE: Labour is the onset of regular uterine contractions with progressice effacement and dilatation of the cervix and descent of the presenting part. PRE-LABOUR OR LATENT PHASE: Slideshow 6370053 by jerry-wolfe.

PHYSIOLOGY OF NORMAL LABOUR DR. POOJA RAJBHARA SENIOR RESIDENT. PARTURITION is defined as the process of bringing forth of young which comprises of multiple transformations in both uterine and cervical functions • There are four phases : • Quiescence, • Activation phase, • Stimulation phase, • Involution phase.

Management of first stage: The key principles are as follows: 1. Provision of continuity of care & emotional support to the mother. 2. Observation of the progress of labour with timely intervention if it becomes abnormal. 3. Monitoring of fetal wellbeing. 4. Adequate & appropriate pain relief consistent with the woman's wishes. 5. Adequate hydration to prevent ketosis.

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