نتایج جستجو برای: amniocentesis
تعداد نتایج: 1348 فیلتر نتایج به سال:
AIM To assess whether imminent amniocentesis is associated with the perception of increased stress and state anxiety in women and their partners and whether greater partner's involvement during pregnancy alleviates women's stress and anxiety. METHODS Two hundred twenty women awaiting amniocentesis and 90 male partners participated in the study. The State-Trait Anxiety Inventory, Perceived Str...
An association between the occurrence of club foot and early amniocentesis has been reported. The largest of these randomised studies was the Canadian Early and Mid-Trimester Amniocentesis Trial. Data describing the neonatal outcome, focusing on this association, are presented. Possible mechanisms for the association and the implications for the development of club foot are discussed.
Invasive prenatal diagnosis techniques include chorionic villus sampling (CVS), amniocentesis, cordocentesis or percutaneous umbilical blood sampling (PUBS), fetal tissue sampling, as well as embryoscopy and fetoscopy (Table 2). Some diagnostic results may be obtained by more than one technique: for example, fetal karyotype can be obtained from cells from amniocentesis, chorionic villus samplin...
In this article, we will review the history and the evolution of the technique of amniocentesis and the indications of the most common invasive diagnostic and therapeutic procedure. Moreover, the most common complications of amniocentesis will be presented. Finally, we will try to establish if the use of con current ultrasound had any effect on the prevalence on these complications.
Invasive prenatal diagnosis techniques include chorionic villus sampling (CVS), amniocentesis, cordocentesis or percutaneous umbilical blood sampling (PUBS), fetal tissue sampling, as well as embryoscopy and fetoscopy (Table 2). Some diagnostic results may be obtained by more than one technique: for example, fetal karyotype can be obtained from cells from amniocentesis, chorionic villus samplin...
The extraembryonic membranes [5] that surround and originate from the embryos of vertebrates such as birds [6], reptiles, and mammals are crucial to their development. They are integral to increasing the surface area of the uterus [7], forming the chorion [8] (which in turn produces the placenta [9]) and the amnion [10], respectively. The amnion [10] will ultimately surround the embryo in a flu...
We are writing to make your readers aware of events stemming from a published Letter to the Editor in Prenatal Diagnosis (Ferrazzi, 2010) that has led to actions that could appreciably threaten our future ability to discuss and pose questions about methods chosen and conclusions drawn by authors of published papers. In a Letter to the Editor, Professor Enrico Ferrazzi (Ferrazzi, 2010) asked som...
Amniocentesis is a medical marvel. It allows us to gain information about the genetic formation of the fetus and, if mongoloid, allows the parents the option of aborting the fetus. Mongolism is a terrible illness, involving severe retardation and often distortion of one or more vital organs, and the human costs in guilt, conflict, and tension to most families who have mongoloid children are har...
N=number of women having triple test; p=prevalence of Down's syndrome; p*N=total number of fetuses with Down's syndrome; DR=detection rate; FPR=false positive rate; p*N*DR*AR=number of women with true positive results who have amniocentesis; (1-p)*N*FPR*AR=number of women with false positive results who have amniocentesis; p*N*DR*AR=number having an abortion (all positive amniocentesis results)...
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