Phenomena and Processes

First Labor Stage

Period from the onset of true OBSTETRIC LABOR to the complete dilatation of the CERVIX UTERI.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Period from the onset of true OBSTETRIC LABOR to the complete dilatation of the CERVIX UTERI.

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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MeSH Record

Synonyms

7 entry terms
  • Labor Stage, First
  • Labor, First Stage
  • First Stage Labor
  • Cervical Dilatation
  • Cervical Dilatations
  • Dilatation, Cervical
  • Dilatations, Cervical

MeSH Record

Aspects Covered

11 allowable subheadings

Indexed with the subheadings blood, cerebrospinal fluid, drug effects, ethnology, genetics, immunology, metabolism, physiology, psychology, radiation effects, urine.

MeSH Record

Indexing Annotation

human only; check tags FEMALE & PREGNANCY

MeSH Record

History Note

91(77); was see under LABOR 1977-90; was LABOR, FIRST STAGE see under LABOR 1975-76

MeSH Hierarchy

Tree Number

  1. G08.686.784w.769w.326.500.080

AMA Style

References

  1. National Library of Medicine. First Labor Stage. Medical Subject Headings (MeSH). 2026. Unique ID D007747. http://id.nlm.nih.gov/mesh/2026/D007747
  2. First Labor Stage. In: Wikidata. https://www.wikidata.org/wiki/Q67303141