During a culdocentesis a long thin needle is inserted through the vaginal wall just below the uterus and a sample is taken of the fluid within the abdominal cavity.
Review Date 1/1/2020
Updated by: John D. Jacobson, MD, Professor of Obstetrics and Gynecology, Loma Linda University School of Medicine, Loma Linda Center for Fertility, Loma Linda, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.