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On predicting time to completion for the first stage of spontaneous labor at term in multiparous women

Overview of attention for article published in BMC Pregnancy and Childbirth, June 2017
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Title
On predicting time to completion for the first stage of spontaneous labor at term in multiparous women
Published in
BMC Pregnancy and Childbirth, June 2017
DOI 10.1186/s12884-017-1345-1
Pubmed ID
Authors

Björn Gunnarsson, Eirik Skogvoll, Ingibjörg Hanna Jónsdóttir, Jo Røislien, Alexander Kr Smárason

Abstract

Labor that progresses faster than anticipated may lead to unplanned out-of-hospital births. With the aim to improve planning of transportation to birthing institutions, this study investigated predictors of time to completion for the first stage of labor conditional on cervical opening (conditional time) in multiparous women at term. We performed a retrospective analysis of partograms for women in Robson's group 3 who delivered at one hospital from 2003 to 2013. A generalized additive mixed model was fitted, accounting for possible non-linear relationships between the predictor variables and outcome, e.g. the time from each cervical measurement to full dilation, using multiple measurements for each woman. The following predictors were included: cervical dilation (cm), parity (1, 2, or ≥3 previous vaginal births), oxytocin infusion (no/yes), epidural (no/yes), maternal age (years), maternal height (cm), body mass index (BMI, kg/m(2)), birthweight (kg), spontaneous rupture of membranes (no/yes). A modified regression model with gestational age (days) instead of birthweight was used to predict conditional time to full cervical dilation for combinations of the most relevant predictors. A total of 1753 partograms were included in the analysis. The strongest predictors were birthweight, epidural and oxytocin use, and spontaneous rupture of membranes, along with cervical measurements. For birthweight, there was an almost 40% increase in time to full cervical dilation for each 1-kg increment. Conditional time was on average 23% longer in cases with epidural use and 53% longer in cases requiring oxytocin augmentation. Spontaneous rupture of the membranes shortened conditional time by 31%. Maternal age was not associated with the outcome, while increasing BMI and parity modestly reduced conditional time. Higher parity, lower fetal weight (gestational age), and spontaneous rupture of the membranes are associated with more rapid labor.

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Mendeley readers

Mendeley readers

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Geographical breakdown

Country Count As %
Unknown 56 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 9 16%
Student > Bachelor 8 14%
Other 6 11%
Student > Doctoral Student 4 7%
Lecturer 3 5%
Other 13 23%
Unknown 13 23%
Readers by discipline Count As %
Medicine and Dentistry 19 34%
Nursing and Health Professions 13 23%
Psychology 2 4%
Business, Management and Accounting 1 2%
Mathematics 1 2%
Other 5 9%
Unknown 15 27%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 14 June 2017.
All research outputs
#20,428,633
of 22,981,247 outputs
Outputs from BMC Pregnancy and Childbirth
#3,828
of 4,227 outputs
Outputs of similar age
#276,107
of 317,411 outputs
Outputs of similar age from BMC Pregnancy and Childbirth
#90
of 94 outputs
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So far Altmetric has tracked 4,227 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 8.8. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 94 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.