Withdrawal of PERITONEAL FLUID from the DOUGLAS' POUCH.

A procedure in which fluid is withdrawn from a body cavity or organ via a trocar and cannula, needle, or other hollow instrument.

Synonyms: Puncture and Aspiration, Culdocentesis, Puncture and Drainage, Paracenteses, Aspiration and Puncture, Drainage and Puncture, Centesis, Culdocenteses, Paracentesis, Centeses