Amniocentesis (noun)

A medical procedure in which a small sample of the fluid surrounding the fetus in the uterus is removed for analysis.

Origin:

20th century, from latin amnion (membrane) + greek kentesis (puncture).

Examples:

1. The amniocentesis was performed to determine if the fetus had any genetic disorders.
2. Amniocentesis is typically performed during the second trimester of pregnancy.
3. The amniocentesis was done to check the baby's lung maturity.
4. The results of the amniocentesis were positive for Down Syndrome.
5. Amniocentesis is a diagnostic procedure that can detect chromosomal abnormalities in the fetus.