نتایج جستجو برای: assisted reproduction technologies
تعداد نتایج: 389934 فیلتر نتایج به سال:
Creation of both gametes, sperm and oocyte, and their fusion during fertilization are essential step for beginning of life. Although molecular mechanisms regulating gametogenesis, fertilization, and early embryonic development are still subjected to intensive study, a lot of phenomena remain unclear. Based on our best knowledge and own results, we consider gasotransmitters to be essential for v...
The Sixth Evian Annual Reproduction (EVAR) Workshop Group Meeting was held to evaluate the impact of IVF/intracytoplasmic sperm injection on the health of assisted-conception children. Epidemiologists, reproductive endocrinologists, embryologists and geneticists presented data from published literature and ongoing research on the incidence of genetic and epigenetic abnormalities and congenital ...
Assisted reproductive technologies (ARTs) have become almost commonplace in the developed world. It is estimated that 1% of American children are now conceived using some form of assisted reproduction, and that over a million children have been born as a result of the use of ARTs. In the past several years, however, scientists have begun to sound a cautionary note about the health outcomes of A...
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This Article discusses potential policies regarding assisted reproductive technologies (ARTs). The initial question is whether ARTs should be viewed as private matters or as issues that affect overall social good. The author explains that this question may be answered by the Supreme Court’s interpretation of the principles of procreative liberty. He then examines Supreme Court decisions regardi...
spermatids are the earliest male germ cells with one set of haploid chromosomes. after experiments, mainly in rodents, the spermatid injection was introduced in human assisted reproduction to the treatment of men with non-obstructive azoospermia. spermatid injection is a technique with particular difficulties that may negatively influence the outcome. the identification, isolation and the asses...
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) ...
In Canada, the Assisted Human Reproduction Act received royal assent on 29 March 2004. The approach proposed by the federal government responds to Canadians' strong desire for an enforceable legislative framework in the field of reproduction technologies through criminal law. As a result of the widening gap between the rapid pace of technological change and governing legislation, a distinct nee...
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