Diseases

Prolonged Pregnancy

A term used to describe pregnancies that exceed the upper limit of a normal gestational period. In humans, a prolonged pregnancy is defined as one that extends beyond 42 weeks (294 days) after the first day of the last menstrual period (MENSTRUATION), or birth with gestational age of 41 weeks or more.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A term used to describe pregnancies that exceed the upper limit of a normal gestational period. In humans, a prolonged pregnancy is defined as one that extends beyond 42 weeks (294 days) after the first day of the last menstrual period (MENSTRUATION), or birth with gestational age of 41 weeks or more.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

See Also

MeSH Record

Synonyms

3 entry terms
  • Pregnancy, Prolonged
  • Pregnancies, Prolonged
  • Prolonged Pregnancies

MeSH Record

Aspects Covered

32 allowable subheadings

Indexed with the subheadings blood, cerebrospinal fluid, chemically induced, classification, diagnosis, diagnostic imaging, diet therapy, drug therapy, economics, enzymology, epidemiology, ethnology, etiology, genetics, history, immunology, metabolism, microbiology, mortality, nursing, parasitology, pathology, physiopathology, prevention & control, psychology, radiotherapy, rehabilitation, surgery, therapy, urine, veterinary, virology.

MeSH Hierarchy

Tree Number

  1. C12.050.703w.805w

MeSH Record

NLM Classification

WQ 240

AMA Style

References

  1. National Library of Medicine. Prolonged Pregnancy. Medical Subject Headings (MeSH). 2026. Unique ID D011273. http://id.nlm.nih.gov/mesh/2026/D011273
  2. Prolonged Pregnancy. In: Wikipedia. https://en.wikipedia.org/wiki/Postterm_pregnancy
  3. Prolonged Pregnancy. In: Wikidata. https://www.wikidata.org/wiki/Q3399863