| Obstetric antecedents for preterm delivery. | |
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MedLine Citation:
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PMID: 18598119 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: To investigate the obstetric antecedents for preterm delivery (PTD) in an Irish urban obstetric population, and to evaluate the incidence and outcome of such deliveries. STUDY DESIGN: A retrospective observational study of all preterm deliveries at the Rotunda Hospital, Dublin during the six-year period 1997-2002. The findings for early preterm deliveries (EPTD) (24+0-31+6 weeks' gestation), and late preterm deliveries (LPTD) (32+0-36+6 weeks' gestation) were analyzed separately. RESULTS: There were 38,795 deliveries after 24 weeks' gestation or >500 g birth weight, of which 2839 (7.3%) were preterm. Of all preterm deliveries, 626 (22.1%) were EPTD and 2213 (77.9%) were LPTD, resulting in an EPTD rate of 1.6% and an LPTD rate of 5.7%. Spontaneous unexplained preterm delivery accounted for 1221 (43.0%) of preterm deliveries (PTD), and of these 213 (34%) cases were EPTD and 1008 (45.5%) LPTD. The other most frequently observed obstetric causative factors, in order of importance, were multiple gestation (676; 23.8% of PTD), hypertensive disorders of pregnancy (243; 8.6%), antepartum hemorrhage (194; 6.8%), stillbirth (105; 3.7%), intrauterine growth restriction (53; 1.9%) and preterm prelabor rupture of membranes+/-chorioamnionitis (32; 1.1%). There were 75 early neonatal deaths among infants born prematurely, plus 105 stillbirths, resulting in a perinatal mortality rate of 63 per 1000 for PTD (n=180), which on subsequent analysis was 158 per 1000 for EPTD (n=99) and 37 per 1000 for LPTD (n=81). CONCLUSIONS: These data outline the obstetric factors linked to preterm delivery within a recent Irish urban obstetric population. Spontaneous idiopathic preterm labor was the principle causative factor in 43% of all preterm deliveries, and represents the proportion of women for whom future therapeutic intervention may be of benefit. |
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Authors:
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Michael M Slattery; Michael Geary; John J Morrison |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of perinatal medicine Volume: 36 ISSN: 0300-5577 ISO Abbreviation: J Perinat Med Publication Date: 2008 |
Date Detail:
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Created Date: 2008-07-07 Completed Date: 2008-09-23 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0361031 Medline TA: J Perinat Med Country: Germany |
Other Details:
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Languages: eng Pagination: 306-9 Citation Subset: IM |
Affiliation:
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Rotunda Hospital, Parnell Square, Dublin 1, Ireland. mlslattery@hotmail.com |
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| MeSH Terms | |
Descriptor/Qualifier:
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Age Factors Female Fetal Growth Retardation / epidemiology Fetal Membranes, Premature Rupture / epidemiology Humans Hypertension, Pregnancy-Induced / epidemiology Incidence Infant, Newborn Ireland / epidemiology Obstetric Labor, Premature / epidemiology* Parity Pregnancy Pregnancy, Multiple Prevalence Retrospective Studies Risk Factors Stillbirth / epidemiology Urban Population |
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