title: [Characteristic changes and variability traits of the heart rate of the premature fetus during premature labor].
mesh_terms: D005260:Female; D005318:Fetal Heart / Q000503:physiopathology*; D005323:Fetal Monitoring; D005865:Gestational Age; D006339:Heart Rate; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D007752:Obstetric Labor, Premature / Q000503:physiopathology*; D011247:Pregnancy
vernacular_title: Kharakterni promeni i osobenosti na variabilnostta na sŭrdechnata chestota na nedonoseniia plod pri predivremenno zapochnalo razhdane.