نتایج جستجو برای: assisted reproductive technology art
تعداد نتایج: 832825 فیلتر نتایج به سال:
fertilization involves direct interaction of the sperm and oocyte, fusion of the cell membranes and :union: of male and female gamete genomes. the completion of this process and subsequent embryo development depend in part on the inherent integrity of the sperm dna. sperm genome quality has been emphasized for several years as playing a major role in early embryogenesis. there is clinical evide...
background: despite numerous developments in the field of assisted reproduction the implantation rate remains low .recent studies suggested that local injury to endometrium in controlled ovarian hyper stimulation cycle improves implantation rate. studies have attempted to intervene in the development of endometrium. objective: the aim of the present study was the exploration of the possibility ...
background: spontaneous occurrences of multifetal pregnancies always have been a medical problem. the risks of perinatal morbidity and mortality and maternal morbidity increase with enhancement of the number of fetuses. in our prospective experimental study, the outcome of twin pregnancy after assisted reproductive technologies (art) with and without multifetal pregnancy reduction (mfpr) is com...
background: improvement of assisted reproductive technique (art) results in higher pregnancy rates from positive beta hcg to take home baby statistics. despite developments in culture media allowing blastocyst stage transfer, some centers apply second, third and sometimes fourth day post injection for embryo transfer. this study aimed to compare their reproductive outcomes. methods : this pro...
background: detection of best predictor of ovarian reserve in patients with temporarily or consistently elevated early follicular phase serum levels of fsh is one of the most important goals in assisted reproductive technique (art). objective: to evaluate whether high level of anti-mullerian hormone level is related to success of art in patients with temporarily or consistently elevated early f...
Safety of Assisted Reproductive Technology in theUnited States, 2000-2011 Useof assisted reproductive technology (ART) continues to increase in the United States and globally. In an effort to improve patient safety, stimulation protocols have become less aggressive, oocyte retrieval has transitioned from laparoscopic to transvaginal, and pregnancy rates have improved.1 However, limiteddata exis...
background: gonadotrophin-releasing hormone (gnrh) agonist is used for controlling ovarian stimulation in assisted reproductive technology (art) cycles which has some benefits. objective: to compare the efficacy of two different formulations of gnrh agonist: short-acting and long-acting, for art protocols. materials and methods: in a prospective randomized study, one hundred women who underwent...
harlequin ichthyosis is a rare and the most severe form of congenital ichthyosis. although prenatal diagnosis is difficult for this disorder, recently, this obstacle has markedly improved with the use of dna-based prenatal diagnosis. here in, we presented a neonate with harlequin ichthyosis born by assisted reproductive technology (art). in this case, the diagnosis of harlequin ichthyosis was n...
Assisted reproductive technology (ART) is the technology used to achieve pregnancy in procedures such as fertility medication, artificial insemination, in vitro fertilization and surrogacy. It is reproductive technology used primarily for infertility treatments, and is also known as fertility treatment. It mainly belongs to the field of reproductive endocrinology and infertility, and may also i...
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