"Obstetrics" 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.
MeSH information
A medical-surgical specialty concerned with management and care of women during pregnancy, parturition, and the puerperium.

This graph shows the total number of publications written about "Obstetrics" by people in this website by year, and whether "Obstetrics" was a major or minor topic of these publications.
Bar chart showing 1532 publications over 30 distinct years, with a maximum of 138 publications in 2015
To see the data from this visualization as text, click here.