Usefulness of pipelle endometrial biopsy in the diagnosis of women at risk for ectopic pregnancy.

Objective: The purpose of this study was to determine the accuracy of endometrial Pipelle (Unimar) biopsy to detect chorionic villi in suspected ectopic pregnancy.

Study Design: This was a blinded prospective trial that involved 32 women who were in stable condition with suspected ectopic pregnancy. Endometrial pipelle sampling was performed before uterine dilation and curettage.