A 29-year-old woman with a ruptured ectopic pregnancy is admitted to a hospital for culdocentesis. A long needle on the syringe is most efficiently inseed through which of the following structures?
A needle should be inseed through the posterior fornix, just below the posterior lip of cervix while the patient is in supine position, to aspirate abnormal fluid in the cul-de-sac of Douglas (rectouterine pouch). Rectouterine excavation is not most efficiently aspirated by puncture of other structures.
Anterior fornix of the vagina
Posterior fornix of the vagina
Anterior wall of the rectum
Posterior wall of the uterine body
Pelvis and Perineum 2