Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

Pregnancy Trimester, Second MeSH Descriptor Data 2025


MeSH Heading
Pregnancy Trimester, Second
Tree Number(s)
G08.686.707.490
Unique ID
D011262
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D011262
Annotation
human only
Scope Note
The middle third of a human PREGNANCY, from the beginning of the 15th through the 28th completed week (99 to 196 days) of gestation.
Entry Version
PREGN TRIMESTER SECOND
Entry Term(s)
Midtrimester
Pregnancy, Second Trimester
Trimester, Second
Previous Indexing
Gestational Age (1968-1974)
Pregnancy (1966-1974)
Time Factors (1967-1974)
Public MeSH Note
76; was PREGNANCY, SECOND TRIMESTER 1975
Online Note
use PREGNANCY TRIMESTER, SECOND to search PREGNANCY, SECOND TRIMESTER 1975
History Note
76; was PREGNANCY, SECOND TRIMESTER 1975
Date Established
1975/01/01
Date of Entry
1975/07/25
Revision Date
2015/06/23
Pregnancy Trimester, Second Preferred
page delivered in 0.122s