External validation of putative biomarkers in eutopic endometrium of women with endometriosis using NanoString technology.

Purpose: To combine different independent endometrial markers to classify the presence of endometriosis.

Methods: Endometrial biopsies were obtained from 109 women with endometriosis as well as 110 control women. Nine candidate biomarkers independent of cycle phase were selected from the literature and NanoString was performed.