Image analysis revealed the down-regulated expression of sorcin in stroma (3.33 fold), luminal epithelium (LE) (1.6 fold) and glandular epithelium (GE) (2 fold) of mid-secretory phase (LH+7) as compared to stroma, LE, and GE of early-secretory phase (LH+2) endometrium of infertile women (Figure 5A–D). Here, PLOD1 is linked to Infertility.