NIPT and First Trimester Ultrasound
نویسندگان
چکیده
منابع مشابه
The use of first trimester ultrasound.
OBJECTIVE To review the clinical indications for first trimester ultrasound. OUTCOME Proven clinical benefit from first trimester ultrasound. EVIDENCE MEDLINE search and bibliography reviews in relevant literature. VALUES Content and recommendations reviewed by the principal authors and the Diagnostic Imaging Committee of the Society of Obstetricians and Gynaecologists of Canada. Levels o...
متن کاملUltrasound evaluation of first trimester pregnancy complications.
OBJECTIVE To review the biological effects and safety of obstetric ultrasound. OUTCOME Outline the circumstances in which safety may be a concern with obstetric ultrasound. EVIDENCE Medline was searched, and a review of a document on this subject published by Health Canada and of bibliographies from identified articles was conducted. VALUES Review by principal authors and the Diagnostic I...
متن کاملFirst trimester ultrasound diagnosis of exencephaly
Objective The introduction of first trimester nuchal translucency measurement has resulted in earlier identification of foetuses with exencephaly. Exencephaly is an uncommon congenital malformation in which the flat bones of calvaria are absent leaving the brain completely exposed or protrudes through the defect in the cranial vault. Anencephaly may ensue as a result of prolonged exposure of th...
متن کاملNoninvasive prenatal testing (NIPT) for fetal trisomies in a routinely first-trimester screening
Results Results from chromosome selective sequencing were available from 253 cases of 255 cases. In two cases fetal cell fraction was below the minimal requirement of 4%. In this population of 255 cases we found euploid pregnancies in 250 cases and 5 aneuploid pregnancies: two trisomies 21, one trisomy 18, one triosmy 13 and one 45 XO. In 195 pregnant women, the performance of screening by comb...
متن کاملFetal gender prediction based on placental location throughout first trimester transabdominal ultrasound
Background: Awareness of fetal gender at primary stages of pregnancy is very important. Fetal sex determination can reveal pressing information regarding fetal health. One of the methods of determining gender in the first trimester is according to the location of placenta. . This study investigated the accuracy and sensitivity of this method with trans-abdominal ultrasound in determining the se...
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ژورنال
عنوان ژورنال: Ultrasound in Medicine & Biology
سال: 2017
ISSN: 0301-5629
DOI: 10.1016/j.ultrasmedbio.2017.08.1428