نتایج جستجو برای: ivf failures

تعداد نتایج: 49090  

2017
Sebastian Canovas Elena Ivanova Raquel Romar Soledad García-Martínez Cristina Soriano-Úbeda Francisco A García-Vázquez Heba Saadeh Simon Andrews Gavin Kelsey Pilar Coy

The number of children born since the origin of Assisted Reproductive Technologies (ART) exceeds 5 million. The majority seem healthy, but a higher frequency of defects has been reported among ART-conceived infants, suggesting an epigenetic cost. We report the first whole-genome DNA methylation datasets from single pig blastocysts showing differences between in vivo and in vitro produced embryo...

Journal: :Reproductive Biology and Endocrinology : RB&E 2009
Sandra J Tanahatoe Joseph McDonnell Angelique J Goverde Peter GA Hompes Cornelis B Lambalk

BACKGROUND To gain more insight in whether failure of intrauterine insemination (IUI) treatment in patients with idiopathic subfertility could be related to diminished fertilization, the aim of this study is to compare the fertilization of an initial IVF procedure after six cycles of IUI and the fertilization of an initial IVF procedure without preceding IUI cycles in couples with idiopathic su...

Journal: :Human reproduction 2009
J Dik F Habbema Marinus J C Eijkemans Geeta Nargund Gijs Beets Henri Leridon Egbert R Te Velde

BACKGROUND We will assess to what extent in vitro fertilization (IVF) is effective in increasing the number of births overall and whether earlier application of IVF will increase this number. METHODS We simulate 100 000 women trying for their first and second child. Natural and IVF pregnancy rates and infertility rates are age-dependent and based on published data. The age at which women star...

2011
Celso G. Camilo-Junior Keiji Yamanaka

In Vitro Fertilization Genetic Algorithm (IVF/GA) is a recently created algorithm that combine the concepts of Genetic Algorithm and In Vitro Fertilization. The IVF/GA has the aim to improve the performance of Genetic Algorithm with the addition of IVF-Inspired mechanisms that better exploit the information of individuals. The Multimensional Knapsack Problem (MKP) is a complex combinatorial pro...

Journal: :Medicine, health care, and philosophy 2014
Kristin Zeiler Anna Malmquist

In vitro fertilization (IVF) with reception of oocytes from partners (ROPA) allows lesbian mothers to share biological motherhood. The gestational mother receives an egg from her partner who becomes the genetic mother. This article examines the ethics of IVF with ROPA with a focus on the welfare of the woman and the resulting child, on whether ROPA qualifies as a "legitimate" medical therapy th...

Journal: :United European gastroenterology journal 2016
Ilker Turan Gul Kitapcioglu Ege Tavmergen Goker Gulnaz Sahin Serhat Bor

BACKGROUND Women conceiving following in vitro fertilization (IVF) likely have a variety of risk factors that predispose them to gastroesophageal reflux disease (GERD) in the future. OBJECTIVE We aimed to investigate whether pregnancy through IVF may predispose to subsequent GERD compared with pregnancies without IVF. We also evaluate whether twin IVF pregnancies lead to additional risk for h...

Journal: :Human reproduction 2015
R I Tjon-Kon-Fat A J Bensdorp P M M Bossuyt C Koks G J E Oosterhuis A Hoek P Hompes F J Broekmans H R Verhoeve J P de Bruin R van Golde S Repping B J Cohlen M D A Lambers P F van Bommel E Slappendel D Perquin J Smeenk M J Pelinck J Gianotten D A Hoozemans J W M Maas H Groen M J C Eijkemans F van der Veen B W J Mol M van Wely

STUDY QUESTION What is the cost-effectiveness of in vitro fertilization (IVF) with conventional ovarian stimulation, single embryo transfer (SET) and subsequent cryocycles or IVF in a modified natural cycle (MNC) compared with intrauterine insemination with controlled ovarian hyperstimulation (IUI-COH) as a first-line treatment in couples with unexplained subfertility and an unfavourable progno...

2006

We performed a double-blinded retrospective cohort study to determine whether endometrial expression of mouse ascites Golgi mucin in a natural, unmedicated cycle predicts subsequent IVF-ET outcome among women with prior IVF-ET failure and poor pre-embryo quality. We found a statistically significant decrease in clinical pregnancy rate among women with abnormal mouse ascites Golgi expression, a ...

Journal: :Fertility and sterility 2013
John David Gordon Michael DiMattina Andrea Reh Awie Botes Gerard Celia Mark Payson

OBJECTIVE To examine the utilization and outcomes of natural cycle (unstimulated) IVF as reported to the Society of Assisted Reproductive Technology (SART) in 2006 and 2007. DESIGN Retrospective analysis. SETTING Dataset analysis from the SART Clinical Outcome Reporting System national database. PATIENT(S) All patients undergoing IVF as reported to SART in 2006 and 2007. INTERVENTION(S)...

Journal: :Fertility and sterility 2005
Ashok Agarwal Shyam S R Allamaneni Kiran P Nallella Amanda T George Edward Mascha

Our meta-analysis analyzed the relationship between levels of reactive oxygen species (ROS) and fertilization rate after in vitro fertilization (IVF), and showed a statistically significant correlation between the ROS levels and the IVF fertilization rate (estimated overall correlation -0.374 [95% CI, -0.520, -0.205]). We conclude that ROS has a statistically significant effect on the fertiliza...

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