P058: Incidence of uncoiled umbilical cords in trisomy 21 fetuses at 10-15 weeks of gestation
نویسندگان
چکیده
منابع مشابه
Femur and humerus length in trisomy 21 fetuses at 11-14 weeks of gestation.
OBJECTIVE To determine the value of measuring fetal femur and humerus length at 11-14 weeks of gestation in screening for chromosomal defects. METHODS Femur and humerus lengths were measured using transabdominal ultrasound in 1018 fetuses immediately before chorionic villus sampling for karyotyping at 11-14 weeks of gestation. In the group of chromosomally normal fetuses, regression analysis ...
متن کاملFrontomaxillary facial angle in trisomy 21 fetuses at 16-24 weeks of gestation.
OBJECTIVES To establish a normal range for the frontomaxillary facial (FMF) angle by three-dimensional (3D) ultrasound imaging and to examine the FMF angle in trisomy 21 fetuses at 16-24 weeks of gestation. METHODS We measured the FMF angle using 3D volumes of the fetal profile obtained with the transducer parallel to the long axis of the nose and at 45 degrees to the palate, which had been a...
متن کاملPrenasal thickness in trisomy-21 fetuses at 16-24 weeks of gestation.
OBJECTIVE To construct a reference range for fetal prenasal thickness between 16 and 24 weeks of gestation and to evaluate the thickness in fetuses with trisomy 21. METHODS We acquired three-dimensional (3D) volumes of the fetal profile from 135 normal fetuses and 26 fetuses with trisomy 21 at 16-24 weeks' gestation. We used the multiplanar mode to obtain the exact mid-sagittal plane and meas...
متن کاملEar length in trisomy 21 fetuses at 11-14 weeks of gestation.
OBJECTIVE To determine the value of measuring fetal ear length at 11-14 weeks of gestation in screening for chromosomal defects. METHODS The fetal ear length was measured in 450 fetuses immediately before chorionic villus sampling for karyotyping at 11-14 weeks of gestation. RESULTS The median gestational age was 12 (range, 11-14) weeks. The fetal ear was successfully examined in all cases....
متن کاملMaxillary length at 11-14 weeks of gestation in fetuses with trisomy 21.
OBJECTIVE To determine the value of measuring maxillary length at 11-14 weeks of gestation in screening for trisomy 21. METHODS In 970 fetuses ultrasound examination was carried out for measurement of crown-rump length (CRL), nuchal translucency and maxillary length, and to determine if the nasal bone was present or absent, immediately before chorionic villus sampling for karyotyping at 11-14...
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ژورنال
عنوان ژورنال: Ultrasound in Obstetrics and Gynecology
سال: 2003
ISSN: 0960-7692,1469-0705
DOI: 10.1002/uog.517