[A clinical study on the spontaneous premature rupture of membranes].
D036861:Delivery, Obstetric / Q000379:methods; D005260:Female; D005315:Fetal Diseases / Q000209:etiology*; D005322:Premature Rupture of Fetal Membranes / Q000150:complications* / Q000453:epidemiology; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D007723:Korea; D007746:Labor Presentation; D010298:Parity; D011247:Pregnancy; D011248:Pregnancy Complications; D011263:Pregnancy Trimester, Third; D011272:Pregnancy, Multiple; D011295:Prenatal Care; D012621:Seasons; D013997:Time Factors