Regional anesthesia resulting from the injection of a local anesthetic on each side of the cervix; used during labor and childbirth WordNet 3.0 & Open English WordNet

A paracervical block is an anesthetic procedure used in obstetrics and gynecology, in which a local anesthetic is injected into between two and six sites at a depth of 3–7 mm alongside the vaginal portion of the cervix in the vaginal fornices. Wikipedia