Header Logo

Pregnancy Trimester, First

"Pregnancy Trimester, First" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

expand / collapse MeSH information
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.


expand / collapse publications
This graph shows the total number of publications written about "Pregnancy Trimester, First" by people in this website by year, and whether "Pregnancy Trimester, First" was a major or minor topic of these publications.
Bar chart showing 4 publications over 4 distinct years, with a maximum of 1 publications in 2007 and 2013 and 2015 and 2017
To see the data from this visualization as text, click here.