TGFBI and endometriosis: For that, we determined TGFBI mRNA level in 45 EuE from women with endometriosis (11 in the proliferative phase and 34 in the secretory phase), and 24 EuE from women without endometriosis (controls, 5 in the proliferative phase and 19 in secretory phase) using qRT-PCR.