نتایج جستجو برای: ivf

تعداد نتایج: 9967  

2014

IVF success rates are low, with approximately one-third of all cycles resulting in live births1. Improving IVF success rates would make a significant difference in the lives of many women trying to conceive. Chromosome aneuploidy (abnormal number of chromosomes) is a major cause of IVF failure, miscarriage, and, in rare cases, abnormal pregnancy and live birth. Most aneuploidies arise during th...

Journal: :BMJ 1990
M Ratcliffe G Flett A Dawson A Templeton

Some existing laws and some proposed legislation regulating the practice of in vitro fertilization (IVF) limit its availability to infertile couples. Dawson and Singer question whether it is reasonable to so restrict access to IVF, and examine some of the medical and social circumstances in which IVF and the related procedures of embryo freezing, embryo biopsy, and embryo transfer might be use...

Journal: :AI and ethics 2022

The novel introduction of artificial intelligence (AI) into in vitro fertilization (IVF) technologies (AI(i)IVF) is, at the same time, medically promising and ethically disconcerting. new possibilities complexities generated by involving intelligent, powerful algorithms human creation reproduction, raise a host ethical issues for IVF patients, practitioners—embryologists, particular, society la...

Journal: :Circulation. Arrhythmia and electrophysiology 2017
Yoshiyasu Aizawa Seiji Takatsuki Takahiko Nishiyama Takehiro Kimura Shun Kohsaka Yoshiaki Kaneko Yasuya Inden Naohiko Takahashi Satoshi Nagase Yoshifusa Aizawa Keichi Fukuda

BACKGROUND To know the underlying mechanisms of J waves, the response to atrial pacing was studied in patients with idiopathic ventricular fibrillation (IVF) and patients with non-IVF. METHODS AND RESULTS In 8 patients with IVF, the J-wave amplitude was measured before, during, and after atrial pacing. All patients had episodes of ventricular fibrillation without structural heart disease. The...

Journal: :The Medical journal of Australia 2003
Gabor T Kovacs Gary Morgan E Carl Wood Catherine Forbes Donna Howlett

OBJECTIVE To review the results of opinion polls on community attitudes to in-vitro fertilisation (IVF) and other aspects of assisted reproductive technology over a 20-year period. DESIGN, SETTING AND PARTICIPANTS Fourteen Australia-wide interview surveys that included questions relating to IVF were carried out between July 1981 and November 2001 as part of regular Morgan polls of community a...

2016
Ying Chan Baosheng Zhu Hongguo Jiang Jinman Zhang Ying Luo Wenru Tang

To evaluate the association of the TP53 codon 72 (rs 1042522) alone or in combination with HDM2 SNP309 (rs 2279744) polymorphisms with human infertility and IVF outcome, we collected 1450 infertility women undergoing their first controlled ovarian stimulation for IVF treatment and 250 fertile controls in the case-control study. Frequencies, distribution, interaction of genes, and correlation wi...

Journal: :Reproductive biomedicine online 2007
Jin-Ho Lim Seong-Ho Yang Ri-Cheng Chian

Natural cycle IVF produced the world first successful live birth, but slowly this treatment has been replaced by ovarian stimulated cycle IVF, because it has been believed ovarian stimulated cycle IVF will increase the number of available embryos for transfer. Therefore, it directly increases the chance of pregnancy from the treatment cycle. However, ovarian stimulation is always associated wit...

Journal: :Human reproduction 1996
F van Balen N Naaktgeboren T C Trimbos-Kemper

The present study compares the evidence of pregnancy and delivery among in-vitro fertilization (IVF) parents (45 couples), other formerly infertile parents (35 couples) and fertile parents (35 couples). All deliveries concerned primaparous women and singleton births. In addition, the burden of fertility treatments was investigated. Results show that the psychological burden of the treatments ex...

Journal: :Fetal diagnosis and therapy 2013
Melanie A J Engels Eva Pajkrt Dominique T Groot Roel Schats Jos W R Twisk John M G van Vugt

OBJECTIVE To validate previously computed correction factors for free β-human chorionic gonadotrophin (fβ-hCG) and pregnancy-associated plasma protein-A (PAPP-A) in in vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI) pregnancies with hormone treatment and to determine the effect on false-positive rate (FPR). METHODS Retrospective study on 249 IVF and 250 ICSI cases and 20...

2011
Jeong Yoon Hye-Jin Yoon Kyoung-Mi Juhn Jin-Kyung Ko San-Hyun Yoon Yong Ko Jin-Ho Lim

OBJECTIVE Since IVF program was first established, various types of media and culture systems have been developed either in-house or commercially. The aim of this study was to compare the efficacy of in-house Maria Research Center (MRC) media to that of commercially available Sydney IVF media in human day 3 embryo transfer cycles. METHODS Three hundred sixty nine couples were included in this...

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