1011Progesterone and CRH in Preterm Labour—Foteini Stamatelou et al Abnormal Progesterone and Corticotropin Releasing Hormone Levels are Associated with

Introduction: This study examined whether maternal plasma progesterone and corticotropin releasing hormone (CRH) concentrations can predict the likelihood of preterm labour. Materials and Methods: Maternal plasma progesterone and CRH concentrations were examined in a total of 51 women. The subject cohort included 20 women who were followed from the beginning of the third trimester (28 to 34 weeks gestation), half of whom delivered early preterm an