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Transabdominal and transvaginal ultrasound assessment of cervical length — can transvaginal approach be avoided?
, 2, 3, 4
Affiliations- Department of Obstetrics and Gynecology, Mazovian Voivodeship Hospital in Siedlce, Poland
- Department of Obstetrics, Perinatology and Gynecology, Medical University of Warsaw, Poland
- Department of Hypertension, Institute of Cardiology, Warsaw, Poland
- Department of Obstetrics and Gynecology, Medical University of Warsaw, Poland
open access
Abstract
Objectives: This study aimed to compare transabdominal (TA) and transvaginal (TV) ultrasound assessment of cervical length during pregnancy and to establish cervical length above which transvaginal measurement is not necessary.
Material and methods: Cervical length was measured using TA and TV method in the first (11 + 0–13 + 6 weeks), the second (20 + 0–21 + 6 weeks) and the third trimester (28 + 0–31 + 6 weeks) in 250 women with singleton pregnancy and low risk for preterm birth.
Results: If the cervical length measured in the second trimester of pregnancy with transabdominal approach is ≥ 28.5 mm and ≥ 30.5 mm in the third trimester, it can be assumed with 100% sensitivity the cervical length measured with transvaginal method will be > 25 mm. Transabdominal cervical length measurement in the second and third trimester allows 89% and 65% of patients, respectively, to avoid transvaginal scan.
Conclusions: Second and third trimester screening by transabdominal cervical length measurements in a group of pregnant women with low risk for preterm birth is useful to determine which patients require transvaginal measurement.
Abstract
Objectives: This study aimed to compare transabdominal (TA) and transvaginal (TV) ultrasound assessment of cervical length during pregnancy and to establish cervical length above which transvaginal measurement is not necessary.
Material and methods: Cervical length was measured using TA and TV method in the first (11 + 0–13 + 6 weeks), the second (20 + 0–21 + 6 weeks) and the third trimester (28 + 0–31 + 6 weeks) in 250 women with singleton pregnancy and low risk for preterm birth.
Results: If the cervical length measured in the second trimester of pregnancy with transabdominal approach is ≥ 28.5 mm and ≥ 30.5 mm in the third trimester, it can be assumed with 100% sensitivity the cervical length measured with transvaginal method will be > 25 mm. Transabdominal cervical length measurement in the second and third trimester allows 89% and 65% of patients, respectively, to avoid transvaginal scan.
Conclusions: Second and third trimester screening by transabdominal cervical length measurements in a group of pregnant women with low risk for preterm birth is useful to determine which patients require transvaginal measurement.
Keywords
cervical length measurement; transabdominal ultrasonography; transvaginal ultrasonography; preterm delivery
About this articleTitle
Transabdominal and transvaginal ultrasound assessment of cervical length — can transvaginal approach be avoided?
Journal
Issue
Article type
Research paper
Pages
191-197
Published online
2022-04-28
Page views
2699
Article views/downloads
706
DOI
Pubmed
Bibliographic record
Ginekol Pol 2023;94(3):191-197.
Keywords
cervical length measurement
transabdominal ultrasonography
transvaginal ultrasonography
preterm delivery
Authors
Andrzej Korniluk
Przemyslaw Kosinski
Piotr Dobrowolski
Miroslaw Wielgos
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