Moreover, TGF-β1 is an isoform of TGF-β, playing a key role in the development inflammation, and the expression of TGF-β1 in tubal intima of infertile patients with tubal obstruction was higher than that of normal population, which confirmed that it may be related to the incidence of tubal obstructive infertility [17–19]. Here, TGFB1 is linked to Infertility.