Relationships of Cortisol, Perceived Stress, Genitourinary Infections, and Fetal Fibronectin to Gestational Age at Birth

The authors investigated the role of stress and cortisol with patients having pretermlabor (PTL) and preterm birth (PTB). The relationships of maternal cortisol, perceived stress, fetal fibronectin (fFN), and genitourinary infections to PTL and PTB were studied. A prospective, longitudinal, obser…