Figure 1

Immunohistochemistry. Representative immunohistochemical expression of β3 integrin subunit during the window of implantation in normal fertile women (A) and with recurrent pregnancy loss (B). Note the negative expression of integrin in luminal and glandular epithelium in B. Asterisk (*) represents immunostaining for endometrial blood vessel, which is a positive internal control magnification 200x. Individual values are depicted in the graph (C) – Unpaired Student t test.