2013
DOI: 10.4038/cmj.v58i4.6309
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Twin pregnancy chorionicity determination in a tertiary care setting

Abstract: SummaryUltrasound determination of chorionicity is most reliable before 14 weeks and subsequently reduces in accuracy with advancing gestation. The aim of this study was to evaluate the accuracy of chorionicity determination in a birth cohort of twin pregnancies. Antenatal ultrasound determination of chorionicity in twin pregnancy was undertaken at suboptimal period of gestation in over twothirds of twin pregnancies. Even in the first trimester of pregnancy, the accuracy of chorionicity determination was lower… Show more

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Cited by 3 publications
(4 citation statements)
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“…However, there is no uniform policy of timing of ultrasound dating in Sri Lanka. In a retrospective observational study carried out at the De Soysa and Castle Street Hospitals for Women between 2009 and 2011 we described the mean gestational age at first scan was 19 weeks (SD 7.3) 14 .…”
Section: Limitations In Gestational Age Assessmentmentioning
confidence: 99%
“…However, there is no uniform policy of timing of ultrasound dating in Sri Lanka. In a retrospective observational study carried out at the De Soysa and Castle Street Hospitals for Women between 2009 and 2011 we described the mean gestational age at first scan was 19 weeks (SD 7.3) 14 .…”
Section: Limitations In Gestational Age Assessmentmentioning
confidence: 99%
“…This has resulted in lack of uniformity across the country of timing of dating scan. Current practice is such that timing of dating scan is decided by the respective consultant obstetrician of the tertiary care centre and there is wide variation in practice especially in timing of the first scan [8]. Ministry of Health has recently revised the pregnancy record (H5512A) in order to optimise maternity care in Sri Lanka.…”
Section: No Educationmentioning
confidence: 99%
“…Sri Lanka has been highly regarded as having well organized antenatal care with lowest maternal mortality ratio in South Asian region [8]. However, there is no national policy in timing of dating scan in Sri Lanka [8].…”
Section: Introductionmentioning
confidence: 99%
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