P024: Comparing the first trimester and second trimester screening programmes for the screening of Down's Syndrome
نویسندگان
چکیده
منابع مشابه
First-trimester screening for Down's syndrome.
The aim of the present study was to evaluate the efficacy of the first trimester screening for Down syndrome (DS) in an unselected low-risk Finnish population. The study involved 4,617 women who attended screening between the 8th and 14th weeks of pregnancy in 1998-2000. They gave a blood sample for the measurement of pregnancy associated plasma protein A (PAPP-A) and free beta human chorionic ...
متن کاملFirst-trimester or second-trimester screening, or both, for Down's syndrome.
BACKGROUND It is uncertain how best to screen pregnant women for the presence of fetal Down's syndrome: to perform first-trimester screening, to perform second-trimester screening, or to use strategies incorporating measurements in both trimesters. METHODS Women with singleton pregnancies underwent first-trimester combined screening (measurement of nuchal translucency, pregnancy-associated pl...
متن کاملScreening for Down syndrome in the second trimester of pregnancy.
Antenatal screening for fetal anomalies has provided women and their partners with information to make reproductive choices based on the risk of serious chromosomal or structural defects since the 1990s. Alternative tests include first-trimester screening (combined ultrasound and maternal serum markers), second-trimester maternal serum markers and noninvasive cell-free DNA testing. The recent r...
متن کاملApplication of First Trimester Screening in the Prognostication of Small for Gestational Age
Background: Fetal growth restriction is defined as the failure of the fetus to achieve its full growth potential. The present study aimed to investigate the application of first trimester screening in the prediction of small for gestational age (SGA).Methods: This cohort study was conducted on the consecutive and unselected women with singleton pregnancies undergoing routine first-trimester exa...
متن کاملFirst and second trimester antenatal screening for Down's syndrome: the results of the Serum, Urine and Ultrasound Screening Study (SURUSS).
The matching criteria were gestation (using an ultrasound crown–rump length or biparietal diameter measurement), duration of storage, and centre. Screening performance of the individual markers and combinations of markers together with maternal age was assessed using standard methods. In addition pairs of first and second trimester serum samples from 600 controls were tested to secure a larger ...
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ژورنال
عنوان ژورنال: Ultrasound in Obstetrics and Gynecology
سال: 2003
ISSN: 0960-7692,1469-0705
DOI: 10.1002/uog.484