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Short-term outcome after active perinatal management at 23-25 weeks of gestation. A study from two Swedish tertiary care centres. Part 1: maternal and obstetric factors.
Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics.
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2004 (English)In: Acta Paediatr, ISSN 0803-5253, Vol. 93, no 7, 945-53 p.Article in journal (Refereed) Published
Abstract [en]

AIMS: To provide descriptive data on women who delivered at 23-25 wk of gestation, and to relate foetal and neonatal outcomes to maternal factors, obstetric management and the principal reasons for preterm birth. METHODS: Medical records of all women who had delivered in two tertiary care centres in 1992-1998 were reviewed. At the two centres, policies of active perinatal and neonatal management were universally applied. Logistic regression models were used to identify prenatal factors associated with survival. RESULTS: Of 197 women who delivered at 23-25 wk, 65% had experienced a previous miscarriage, 15% a previous stillbirth and 12% a neonatal death. The current pregnancy was the result of artificial reproduction in 13% of the women. In 71%, the pregnancy was complicated either by pre-eclampsia, chorioamnionitis, placental abruption or premature rupture of membranes. Antenatal steroids were given in 63%. Delivery was by caesarean section in 47%. The reasons for preterm birth were idiopathic preterm labour in 36%, premature rupture of membranes in 41% and physician-indicated deliveries in 23% of the mothers. Demographic details, use of antenatal steroids, caesarean section delivery and birthweight differed between mothers depending on the reason for preterm delivery. Of 224 infants, 5% were stillbirths and 63% survived to discharge. On multivariate logistic regression analysis comprising prenatally known variables, reasons for preterm birth were not associated with survival. Advanced gestational duration (OR: 2.43 per wk; 95% CI: 1.59-3.74), administration of any antenatal steroids (OR: 2.21; 95% Cl: 1.14-4.28) and intrauterine referral from a peripheral hospital (OR: 2.93; 95% CI: 1.5-5.73) were associated with survival. CONCLUSIONS: Women who deliver at 23-25 wk comprise a risk group characterized by a high risk of reproductive failure and pregnancy complications. Survival rates were similar regardless of the reason for preterm birth. Policies of active perinatal management virtually eliminated intrapartum stillbirths.

Place, publisher, year, edition, pages
2004. Vol. 93, no 7, 945-53 p.
Keyword [en]
Perinatal, maternal
URN: urn:nbn:se:umu:diva-16424PubMedID: 15303811OAI: diva2:156097
Available from: 2008-01-12 Created: 2008-01-12 Last updated: 2010-10-13Bibliographically approved

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