Urinary 8-hydroxy-2′-deoxyguanosine levels and preterm births: a prospective cohort study from the Japan Environment and Children’s Study

Abstract

ObjectivesTo evaluate the association between urinary 8-hydroxy-2′-deoxyguanosine (U8-OHdG) level—a marker of oxidative stress—and the incidence of preterm births (PTBs).DesignProspective cohort study.SettingThe Japan Environment and Children’s Study (JECS).ParticipantsData from 92 715...