1 Department of Periodontics, University of Rome “Tor Vergata”; “S. Giovanni Calibita, Fatebenefratelli” Hospital 2 Odontostomatology “S. Giovanni Calibita, Fatebenefratelli” Hospital 3 Department of Odontostomatology, University of Rome “Tor Vergata”, Foundation Policlinico “Tor Vergata” 4 Department in Periodontics, University of Rome “Tor Vergata“. Director and Chief Department of Periodonti...

Background: Survival of the conceptus is dependent on continuous progesterone signaling in the maternal decidua but how this is achieved under conditions of oxidative stress that characterize early pregnancy is unknown. Materials and Methods: Laboratory-based analysis of endometrial biopsies and primary endometrial cultures. Results: Using primary cultures, we show that modest levels of reactiv...