RETN and preterm premature rupture of the membranes: Moreover, selected inflammatory markers in AF (e.g., pentraxin 3 (PTX3), the receptor for advanced glycation end products (RAGE), and resistin) that are involved in the mechanisms of preterm parturition in the context of PTL and preterm premature rupture of the membranes (PPROM) have not yet been fully studied in women with acute CI undergoing emergency cerclage [18–21].