New crown-rump length curve based on over 3500 pregnancies
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 کاملAutomatic Gestational Age Estimation Based on Crown Rump Length and Gestational Sac
The development of ultrasound technology allows us to see the structure and development of the fetus directly. Crown-Rump Length (CRL) and mean diameter of gestational sac (MSD) can be used to determine the age of the fetus. Both parameters are useful for measuring different aspects of the first trimester of pregnancy. This study proposes a method to obtain those parameter values automatically ...
متن کاملNuchal translucency thickness and crown rump length discordance for the prediction of outcome in monochorionic diamniotic pregnancies.
BACKGROUND Ultrasonographic features of the underlying hemodynamic changes in twin-twin transfusion syndrome (TTTS) may be present at the first trimester scan. AIMS To investigate the value of intertwin discordance in nuchal translucency (NT) thickness and crown-rump length (CRL) to predict TTTS and other adverse outcomes. STUDY DESIGN Cohort study. SUBJECTS One hundred and thirty-five un...
متن کاملNew first-trimester crown-rump length equations from a French general population.
INTRODUCTION The purpose of this study was to obtain precise knowledge of fetal biometric measurements, in particular crown-rump length (CRL). Our results have been carefully compared to equations found in the literature. MATERIALS AND METHODS Single-operator measurements of 2,123 spontaneous pregnancies from a general French population provided new statistical relationships between fetal age...
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 ...
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ژورنال
عنوان ژورنال: Ultrasound in Obstetrics and Gynecology
سال: 2010
ISSN: 0960-7692,1469-0705
DOI: 10.1002/uog.7654