Background There is a substantial variation in rates of preterm delivery between different
parts of the world. The understanding of these variations, as well as the biological …

OBJECTIVE: The aim of this study was to identify maternal risk factors for spontaneous
preterm birth (PTB) compared to delivery at term, in order to recognize high risk women and …

OBJECTIVE: To identify factors associated with spontaneous preterm birth and to estimate
the risk of its recurrence for the second through fourth births among women in Utah who had …

OBJECTIVE: Despite the increased tendency of preterm birth to recur, little is known with
regard to recurrence risks for spontaneous and medically indicated preterm birth as well as …

Objective: We sought to evaluate the association between prior spontaneous preterm
delivery and subsequent pregnancy outcome. Study Design: A total of 1711 multiparous …

The world's preterm birth rate continues to increase. In 2006, preterm births accounted for
12.8% of live births in the United States. Only about half the cases of prematurity result from …

OBJECTIVE: To describe the relationship between pregnancy complications and fetal
outcome in first and second pregnancies, focusing on idiopathic and indicated preterm birth …

Preterm birth (< 37 weeks) complicates 12.5% of all deliveries in the USA, and remains the
leading cause of perinatal mortality and morbidity, accounting for as many as 75% of …

OBJECTIVE: For the first time in decades, the rate of US preterm delivery has declined
consistently since 2005. Recent nationwide policies enforcing elective delivery at or beyond …

[Epidemiology and risk factors of preterm birth]. - Abstract - Europe PMC Sign in | Create an
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