Medical Subject Headings

Last uploaded: March 22, 2026
Id http://purl.bioontology.org/ontology/MESH/D011273
http://purl.bioontology.org/ontology/MESH/D011273
Preferred Name

Pregnancy, Prolonged

Definitions
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.
Synonyms
Prolonged Pregnancies
Prolonged Pregnancy
Pregnancies, Prolonged
Type http://www.w3.org/2002/07/owl#Class
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