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Pregnancy Trimester, First MeSH Descriptor Data 2022


MeSH Heading
Pregnancy Trimester, First
Tree Number(s)
G08.686.707.408
Unique ID
D011261
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D011261
Annotation
human only
Scope Note
The beginning third of a human PREGNANCY, from the first day of the last normal menstrual period (MENSTRUATION) through the completion of 14 weeks (98 days) of gestation.
Entry Version
PREGN TRIMESTER FIRST
Entry Term(s)
Early Placental Phase
Pregnancy, First Trimester
Trimester, First
Previous Indexing
Gestational Age (1968-1974)
Pregnancy (1966-1974)
Time Factors (1967-1974)
Public MeSH Note
76; was PREGNANCY, FIRST TRIMESTER 1975
Online Note
use PREGNANCY TRIMESTER, FIRST to search PREGNANCY, FIRST TRIMESTER 1975
History Note
76; was PREGNANCY, FIRST TRIMESTER 1975
Date Established
1975/01/01
Date of Entry
1975/07/25
Revision Date
2018/07/01
Pregnancy Trimester, First Preferred
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