"Amniocentesis" 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
Percutaneous transabdominal puncture of the uterus during pregnancy to obtain amniotic fluid. It is commonly used for fetal karyotype determination in order to diagnose abnormal fetal conditions.

This graph shows the total number of publications written about "Amniocentesis" by people in this website by year, and whether "Amniocentesis" was a major or minor topic of these publications.
Bar chart showing 550 publications over 29 distinct years, with a maximum of 48 publications in 2012
To see the data from this visualization as text, click here.