Some less described correlations included lower plasma levels of glycodelin (PAEP) and chordin like 2 (CHRDL2) and higher levels of glycoprotein hormone alpha polypeptide (CGA) in post- and peri-menopausal women, and lower levels of osteomodulin (OMD) in women using (HRT). Here, PAEP is linked to occult macular dystrophy.