Kistka, Zachary A-F Risk for postterm delivery after previous postterm delivery. [electronic resource] - American journal of obstetrics and gynecology Mar 2007 - 241.e1-6 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1097-6868 Standard No.: 10.1016/j.ajog.2006.10.873 doi Subjects--Topical Terms: AdultCohort StudiesFemaleHumansPregnancyPregnancy, Prolonged--epidemiologyRecurrenceRisk Factors