Serial first- and second-trimester Down's syndrome screening tests among IVF-versus naturally-conceived singletons
نویسندگان
چکیده
منابع مشابه
First trimester prenatal screening among women pregnant after IVF/ICSI.
BACKGROUND Prenatal screening and diagnosis of chromosomal abnormalities especially Down's syndrome in IVF pregnancies are complicated by higher maternal age, a high multiple pregnancy rate, a high risk of a vanishing twin and an increased risk of chromosomal abnormalities, particularly in pregnancies after ICSI. The aim of the present systematic review was to evaluate the findings of first tri...
متن کاملFirst-trimester screening markers are altered in pregnancies conceived after IVF/ICSI.
OBJECTIVES To determine the levels of first-trimester screening markers and to assess the false-positive rate for first-trimester combined screening for Down syndrome in a large national population of women pregnant after assisted reproductive technology (ART), in order to decide whether or not to correct risk calculation for mode of conception. METHODS A national prospective cohort study of ...
متن کاملFirst trimester biochemical screening for Down's syndrome in singleton pregnancies conceived by assisted reproduction.
BACKGROUND Serum biochemical markers [free betahCG (fbetahCG); pregnancy-associated plasma protein-A (PAPP-A)] used in first trimester Down's syndrome screening have not been fully investigated in pregnancies achieved by assisted reproduction techniques. We present data on pregnancies conceived by all types of assisted reproduction techniques, including pregnancies following ovum donation (OD) ...
متن کاملEffect of Shared Decision-making on Decisional Conflict and Uptake of First-trimester Screening Tests
Introduction: Several factors influence women’s decision to take First Trimester Screening (FTS) tests. These factors are associated with the ambivalence of women toward undergoing screening tests. Objective: This study aimed to investigate the effect of Shared Decision-Making (SDM) about undergoing FTS on Decisional Conflict (DC) immediately after consultation and uptake of FTS. Materials a...
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...
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ژورنال
عنوان ژورنال: Human Reproduction
سال: 2002
ISSN: 1460-2350
DOI: 10.1093/humrep/17.4.1081