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DC Field | Value | Language |
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dc.contributor.author | Ruwanpura, L. | - |
dc.contributor.author | Wickramasinghe, J.B. | - |
dc.contributor.author | Marasinghe, P. | - |
dc.contributor.author | Ratnayake, G.M. | - |
dc.contributor.author | Dias, T.D. | - |
dc.contributor.author | Silva, D. | - |
dc.date.accessioned | 2021-08-06T08:10:03Z | - |
dc.date.available | 2021-08-06T08:10:03Z | - |
dc.date.issued | 2021 | - |
dc.identifier.citation | Sri Lanka Journal of Obstetrics and Gynaecology.2021; 43(2):77–83. | en_US |
dc.identifier.issn | 2279-1655 | - |
dc.identifier.uri | http://repository.kln.ac.lk/handle/123456789/23157 | - |
dc.description | Not indexed in MEDLINE | en_US |
dc.description.abstract | ABSTRACT: Objective To compare the measurements and the client-preferences of transabdominal scan (TAS) and transvaginal scan (TVS) in assessing cervical length. Method A validation study with a cross sectional component on patient-preferences was conducted among 568 pregnant women with a period-of-amenorrahea between 11+0 to 22+6 weeks. Pre- and post-void TAS and a post-void TVS measurements were taken. Receiver Operating Characteristics (ROC) curves were generated to assess the detection of short cervix using pre and post-void TAS at different lengths of the cervix. Results The mean (SD) age of the participants was 28.4(5.7) years with a mean gestation age of 14+1 weeks. The mean (SD) cervical lengths detected by the pre-void TAS, post-void TAS and TVS were 32.2 (5.8)mm, 28.9 (5.8) mm and 34.4 (5.3) mm respectively. Factors with significant association with a higher TVS cervical length were; increasing age (p<0.001), higher gravidity (p<0.001), higher parity (p<0.001) and higher number of vaginal deliveries (p<0.001). The TAS and TVS measurements significantly correlated with each other (p<0.001). Post-void TAS could not obtain measurement in 49.47% of attempts. The shortest cervical length can be detected by pre-void TAS was 26mm with an ideal cut-off of 33mm. For post-void TAS the shortest length was 28mm with an ideal cut-off of 28.16mm. Majority preferred TAS over TVS. Conclusion Pre-void TAS can predict a cervical length of 26mm or less with 87.5% sensitivity whereas the shortest length predicted by post-void is relatively longer. Nearly in half, a valid post-void TAS could not be recorded. Client preference was more favorable for TAS. KEYWORDS: Ultrasound, Cervical length, Screening, Preterm labour | en_US |
dc.language.iso | en_US | en_US |
dc.publisher | Sri Lanka college of Obstetricians & Gynaecologists | en_US |
dc.subject | cervical length | en_US |
dc.subject | transabdominal | en_US |
dc.subject | transvaginal | en_US |
dc.subject | pregnancy. | en_US |
dc.title | Evaluation of cervical length by transabdominal and transvaginal scans during early pregnancy. | en_US |
dc.type | Article | en_US |
Appears in Collections: | Journal/Magazine Articles |
Files in This Item:
File | Description | Size | Format | |
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Evaluation of cervical length by transabdominal.pdf | 146.87 kB | Adobe PDF | View/Open |
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