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Related Concept Videos

Anatomical Positions01:11

Anatomical Positions

In anatomy, several standard anatomical positions are used as references for describing the position and orientation of different body parts. These positions help provide a common frame of reference when discussing anatomical structures. The anatomical position is the standard reference point for describing the body's position and orientation. In this position:
The body is upright, facing forward, and standing erect.
The feet are parallel and flat on the floor.
The arms are hanging by the...
Development of the Oral Microbiota01:28

Development of the Oral Microbiota

The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...
Anatomical Movements00:51

Anatomical Movements

Anatomical movements refer to the various actions or motions that can be performed by the body's joints and muscles. These movements are described using specific terms to provide a standardized way of discussing and understanding the range of motion at different joints.
Here are some common anatomical movements:
Flexion and extension motions are in the sagittal (anterior–posterior) plane of motion. These movements take place at the shoulder, hip, elbow, knee, wrist, metacarpophalangeal,...

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Related Experiment Video

Updated: May 8, 2026

Electromyometrial Imaging of Uterine Contractions in Pregnant Women
08:07

Electromyometrial Imaging of Uterine Contractions in Pregnant Women

Published on: May 26, 2023

Maternal positions and mobility during first stage labour.

Annemarie Lawrence1, Lucy Lewis, G Justus Hofmeyr

  • 1Health & Well Being Service Group and Tropical Health Research Unit for Nursing and Midwifery Practice, The Townsville Hospital and Health Service, Douglas, Queensland, Australia, 4810.

The Cochrane Database of Systematic Reviews
|August 21, 2013
PubMed
Summary

Encouraging upright positions during the first stage of labor significantly shortens labor duration and reduces the likelihood of cesarean birth and epidural use. These positions appear safe for both mothers and babies, with no increased interventions noted.

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Area of Science:

  • Obstetrics and Gynecology
  • Maternal and Fetal Health
  • Evidence-Based Midwifery

Background:

  • Women in labor commonly lie in bed, a practice lacking evidence of benefit and potentially causing adverse effects.
  • Observational studies suggest supine positions may impede labor progress and reduce placental blood flow.

Purpose of the Study:

  • To evaluate the impact of upright labor positions versus recumbent positions on labor duration, birth outcomes, and maternal/fetal well-being.

Main Methods:

  • Systematic review of randomized and quasi-randomized trials comparing upright and recumbent positions in the first stage of labor.
  • Searched the Cochrane Pregnancy and Childbirth Group's Trials Register; data extracted and quality assessed by two independent reviewers.

Main Results:

  • Upright positions shortened the first stage of labor by approximately 1 hour and 22 minutes.
  • Women in upright positions had a lower risk of cesarean section and epidural use.
  • Limited evidence suggests reduced neonatal intensive care unit admissions for babies born to mothers in upright positions.

Conclusions:

  • Upright positions in early labor are associated with shorter labor, fewer cesarean births, and reduced epidural needs, without apparent harm to mother or baby.
  • Further high-quality trials are needed, but current evidence supports encouraging upright positions for low-risk laboring women.