amniocentesis

https://doi.org/10.1351/goldbook.10366

Transabdominal procedure in which amniotic fluid is sampled by means of a needle inserted into the amniotic sac.

Note: This procedure is used to screen for infections and abnormalities in the developing fetus.
Source:
PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 720 (https://doi.org/10.1515/pac-2015-1202)