Risk of preterm delivery from preterm labor in high-risk patients.

Publication/Presentation Date

2-1-1995

Abstract

This study aimed to determine the incidence of preterm labor and birth (< 37 weeks' gestation) in patients at high risk for early delivery. In this retrospective, descriptive study, 17,186 women with high-risk factors for early delivery were studied over a five-year period (1986-1990). Study groups included women with prior preterm delivery, multifetal gestations, uterine abnormalities and cervical factors. The rate of preterm labor for all patients averaged 40% (range, 30-46%). The rate of preterm delivery in the four groups ranged from 14% to 30% and averaged 19.7%. In those who experienced preterm delivery, only 32% of cases were due to preterm labor with advanced cervical dilatation, failed tocolysis or preterm premature rupture of membranes. The majority of early deliveries were due to medical or obstetric disorders as well as to patient/physician factors. The incidence of preterm labor remains significant when women have high-risk factors for preterm delivery. However, the incidence of preterm delivery, particularly that due to avoidable factors, such as failed tocolysis and preterm rupture of the membranes, is considerably lower than that quoted in the literature.

Volume

40

Issue

2

First Page

95

Last Page

100

ISSN

0024-7758

Disciplines

Medicine and Health Sciences

PubMedID

7738935

Department(s)

Department of Obstetrics and Gynecology

Document Type

Article

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