Prevention of prematurity.
D001724:Birth Weight; D005260:Female; D005387:Finland; D005865:Gestational Age; D006334:Heart Function Tests; D006339:Heart Rate / Q000502:physiology; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D007752:Obstetric Labor, Premature / Q000517:prevention & control*; D011225:Pre-Eclampsia / Q000453:epidemiology; D011247:Pregnancy; D011295:Prenatal Care; D011379:Prognosis; D013223:Statistics as Topic