OP16.02: Assessing the reliability and validity of 3D crown-rump length measurements
نویسندگان
چکیده
منابع مشابه
Standardisation of crown-rump length measurement.
Correct estimation of gestational age is essential for any study of ultrasound biometry and for everyday clinical practice. However, inconsistency in pregnancy dating may occur through differences in measurement methods or errors during measurement. In the INTERGROWTH-21(st) Project, pregnancies are dated by the last menstrual period, provided that it is certain and associated with a regular me...
متن کاملCorrelation between the Fetal Liver Length and Crown- Rump Length During the First Trimester Screening
Objective: The aim of the present study was to determine the correlation between fetal liver length (FLL) at the 11+0–13+6 week of pregnancy and crown-rump length (CRL). Methods: Pregnant women (n=63) referring to the Başkent University Konya Hospital Obstetrics and Gynecology Clinic between January and March 2014 for first trimester screening were included in the study. Patients were excluded ...
متن کاملResponse to: Reliability and validity of telomere length measurements.
length varies by DNA extraction method: implications for epidemiologic research. Cancer Epidemiol Biomarkers Prev 2013;22: 2047-54. 24. Hofmann JN, Hutchinson AA, Cawthon R et al. Telomere length varies by DNA extraction method: implications for epidemiologic research letter. Cancer Epidemiol Biomarkers Prev 2014;23:1129-30. 25. Denham J, Marques F, Charchar F. Leukocyte telomere length variati...
متن کاملA prospective study to assess the clinical impact of interobserver reliability of sonographic measurements of fetal nuchal translucency and crown-rump length on combined first-trimester screening
OBJECTIVE To examine the interobserver variability for fetal biometric parameters and to focus on how this variability affects the combined first-trimester screening test results. METHODS Sixty-four singleton pregnancies who were scheduled for combined first-trimester screening were investigated. Two experienced sonographers performed all examinations at the same visit. The risk calculations ...
متن کاملAssessing the Validity and Reliability of Barrett’s Test of Aptitude for the Use among 9th Graders
Academic and occupational guidance of the 9th graders require a valid and reliable instrument. Given that Barrett Aptitude Test is widely available, and perhaps used, it was deemed necessary to assess its psychometric characteristics. To this end, a cluster sample of 830 ninth graders from among all such students during the 2017-2018 school year in cities of Saqqez and Bukan, was selected. They...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Ultrasound in Obstetrics and Gynecology
سال: 2010
ISSN: 0960-7692
DOI: 10.1002/uog.8070