Transvaginal sonographic evaluation of cervical length in the second trimester of asymptomatic singleton pregnancies, and the risk of preterm delivery

Kuusela, Pihla; Jacobsson, Bo; Söderlund, Mona; Bejlum, Carina; Almström, Elisabeth; Ladfors, Lars; Hagberg, Henrik; Wennerholm, Ulla‐Britt

doi:10.1111/aogs.12622

Cited by 50 publications

(54 citation statements)

References 36 publications

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“…The main limitation of this study is the low number of sPTBs ( n = 22), which is explained by our population being a selected low‐risk population. The rate of sPTB before 37 + 0 weeks (4.1%) is consistent with the rates reported in recently published European series of unselected pregnancies and selected low‐risk pregnancies (4.2% and 3.9%, respectively).…”

Section: Discussionsupporting

confidence: 90%

“…To the best of our knowledge, this is the first study to estimate prospectively the ability of mid-trimester CCI to predict sPTB in low-risk women. It was designed specifically to screen a selected low-risk population in which it remains controversial as to whether sonographic CL screening for sPTB works well [10][11][12][21][22][23] .…”

Section: Discussionmentioning

confidence: 99%

“…Cervical length (CL) < 25 mm, as measured on transvaginal ultrasound in mid-gestation, is a risk factor for sPTB 7,8 . However, its value for screening a pregnant population consisting mainly of women without a risk factor for sPTB is controversial because of the low sensitivity of a short CL in low-risk women [9][10][11][12] .…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Mid‐trimester sonographic cervical consistency index to predict spontaneous preterm birth in a low‐risk population

Baños

Murillo

Julià

et al. 2018

Ultrasound in Obstet & Gyne

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Section: Discussionsupporting

confidence: 90%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Mid‐trimester sonographic cervical consistency index to predict spontaneous preterm birth in a low‐risk population

Baños

Murillo

Julià

et al. 2018

Ultrasound in Obstet & Gyne

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show abstract

“…Nevertheless, the prevalence of a short cervical length and its sensibility for the detection of spontaneous preterm birth are extremely low [7][8][9] . Consequently, only a small proportion of pregnant women are identified as being at high risk of preterm delivery and potentially benefit from the treatments available [10][11][12] .…”

Section: Introductionmentioning

confidence: 99%

Quantitative Analysis of the Cervical Texture by Ultrasound and Correlation with Gestational Age

Baños

Perez‐Moreno²,

Triginer³

et al. 2016

Fetal Diagn Ther

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Objectives: Quantitative texture analysis has been proposed to extract robust features from the ultrasound image to detect subtle changes in the textures of the images. The aim of this study was to evaluate the feasibility of quantitative cervical texture analysis to assess cervical tissue changes throughout pregnancy. Methods: This was a cross-sectional study including singleton pregnancies between 20.0 and 41.6 weeks of gestation from women who delivered at term. Cervical length was measured, and a selected region of interest in the cervix was delineated. A model to predict gestational age based on features extracted from cervical images was developed following three steps: data splitting, feature transformation, and regression model computation. Results: Seven hundred images, 30 per gestational week, were included for analysis. There was a strong correlation between the gestational age at which the images were obtained and the estimated gestational age by quantitative analysis of the cervical texture (R = 0.88). Discussion: This study provides evidence that quantitative analysis of cervical texture can extract features from cervical ultrasound images which correlate with gestational age. Further research is needed to evaluate its applicability as a biomarker of the risk of spontaneous preterm birth, as well as its role in cervical assessment in other clinical situations in which cervical evaluation might be relevant.

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“…comparable to our findings. Furthermore, a Swedish study of 2122 women with CL measurement at 16–23 weeks also reported very low prevalence of CL ≤ 25 mm (0.5%).…”

Section: Discussionmentioning

confidence: 98%

Transvaginal sonographic cervical length in first and second trimesters in a low‐risk population: a prospective study

Wulff

Rode

Rosthøj

et al. 2018

Ultrasound in Obstet & Gyne

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There is an association between first-trimester CL and risk of short cervix in the second trimester. Once short CL was observed, risk of preterm delivery was greatly increased. However, whether universal CL screening should be implemented in this low-risk population depends on cost-benefit analysis taking into account the low proportions of women with short CL and at risk for preterm delivery. Copyright © 2017 ISUOG. Published by John Wiley & Sons Ltd.

show abstract

Transvaginal sonographic evaluation of cervical length in the second trimester of asymptomatic singleton pregnancies, and the risk of preterm delivery

Cited by 50 publications

References 36 publications

Mid‐trimester sonographic cervical consistency index to predict spontaneous preterm birth in a low‐risk population

Mid‐trimester sonographic cervical consistency index to predict spontaneous preterm birth in a low‐risk population

Quantitative Analysis of the Cervical Texture by Ultrasound and Correlation with Gestational Age

Transvaginal sonographic cervical length in first and second trimesters in a low‐risk population: a prospective study

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