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Archives of Gynecology and Obstetrics

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01-02-2015 | Maternal-Fetal Medicine

The impact of maternal obesity, age, pre-eclampsia and insulin dependent diabetes on severe maternal morbidity by mode of delivery—a register-based cohort study

Authors: Nanneli Pallasmaa, Ulla Ekblad, Mika Gissler, Anna Alanen

Published in: Archives of Gynecology and Obstetrics | Issue 2/2015

Abstract

Purpose

To determine the rate of severe maternal morbidity related to delivery by delivery mode and to assess if the impact of studied risk factors varies by delivery mode.

Methods

A register-based study including all women having singleton delivery in Finland in 2007–2011, n = 292,253, data derived from the Finnish Medical Birth Registry and Hospital Discharge Registry. Diagnoses and interventions indicating a severe maternal complication were searched and the mode of delivery was assessed by data linkage. The impact of obesity, maternal age 35 years or more, pre-eclampsia and insulin dependent diabetes on severe maternal morbidity (all severe complications, severe infections and severe) was studied in each mode of delivery and calculated as Odds ratios.

Results

The overall incidence of severe complications was 12.8/1,000 deliveries. The total complication rate was lowest in vaginal deliveries (VD) in all risk groups. Obesity increased the risk for all severe complications and severe infections in the total population, but not significantly in specific delivery modes. Age increased the risk of hemorrhage in VD. Pre-eclampsia increased the risk for hemorrhage in all deliveries except elective CS. In women with pre-eclampsia, overall morbidity was similar in VD, attempted VD and elective CS. The presence of any studied risk factor increased the risk for complications within the risk groups by the high proportion of emergency CS performed.

Conclusions

An attempt of VD is the safest way to deliver even for high-risk women with the exception of women with pre-eclampsia, who had a similar risk in an attempt of VD and elective CS.

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Title: The impact of maternal obesity, age, pre-eclampsia and insulin dependent diabetes on severe maternal morbidity by mode of delivery—a register-based cohort study
Authors: Nanneli Pallasmaa
Ulla Ekblad
Mika Gissler
Anna Alanen
Publication date: 01-02-2015
Publisher: Springer Berlin Heidelberg
Published in: Archives of Gynecology and Obstetrics / Issue 2/2015
Print ISSN: 0932-0067
Electronic ISSN: 1432-0711
DOI: https://doi.org/10.1007/s00404-014-3352-z

At a glance: The STEP trials

Springer Medicine

The impact of maternal obesity, age, pre-eclampsia and insulin dependent diabetes on severe maternal morbidity by mode of delivery—a register-based cohort study

Abstract

Purpose

Methods

Results

Conclusions

At a glance: The STEP trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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