نتایج جستجو برای: ivf failure
تعداد نتایج: 381277 فیلتر نتایج به سال:
introduction: implantation of transferred embryos in the uterus after ivf_icsi cyclesis an important process that less information about it is available. zona hatching method is a suggested approach for this goal. the aim of this research is about performance of zona hatching by laser. methods: in this study 32 patients that enrolled had ivf/icsi cycles depend on inclusion criteria of study tha...
Background: RIF is the most common cause of unsuccessful pregnancy after IVF. Among the various causes of RIF, the role of maternal genetic factors is of great significance. PAI-1 polymorphism is one of the notable polymorphisms in this field. In this study, the relationship between this polymorphism and the recurrent spontaneous abortions and infertility in different populations has been inves...
The success of assisted reproduction, although gradually increasing over the years, is still less than satisfactory. Many couples have benefited from this treatment; many have also been left frustrated following multiple failed attempts (Bulent Urman et al. 2005). Repeated implantation failure (RIF), defined as three or more failed IVF attempts or failure of IVF after cumula- Abstracts of the 5...
background: recently, the use of granulocyte colony-stimulating factor (g-csf) has been proposed to improve pregnancy outcomes in reproductive medicine. objective: a systematic review of the current use of g-csf in patients who have difficulty conceiving and maintaining pregnancy was performed. materials and methods: two electronic databases (pubmed/ medline and scopus) were searched. study sel...
Intracytoplasmic sperm injection is more being used for non-male factor indications, although it was developed overcoming infertility of males because pregnancy rate in vitro fertilization still < 40%. This work aims at evaluating the injecting cycle fertilization/ efficiency infertile women and factors that predicting clinical rate. Al-Nahrain University High Institute Infertility Diagnosis...
OBJECTIVE The decision to use in vitro fertilization (IVF), intracytoplasmic sperm injection (ICSI), or split insemination (IVF-ICSI) in the first cycle is based on the number of motile sperm. Hence, total fertilization failure (TFF) often occurs during IVF cycles, despite normozoospermia. To investigate whether the cumulative motile swim-up spermatozoa percentage at 22 hours post-insemination ...
BACKGROUND Recurrent implantation failure is one of the most issues in IVF cycles. Some researchers found that beneficial effects of endometrial Scratching in women with recurrent implantation failure, while some authors demonstrated contrary results. OBJECTIVE The present study aimed to investigate the effect of intrauterine. Saline infusion as a form of endometrial injury, during fresh in v...
STUDY QUESTION What is the prevalence of chronic endometritis (CE) in women with repeated unexplained implantation failure (RIF) at IVF, and how does antibiotic treatment affect the reproductive outcome? SUMMARY ANSWER Chronic endometritis, associated with infection with common bacteria or mycoplasma, is common in women complaining of RIF and antibiotic treatment significantly improves the re...
BACKGROUND An examination of the alterations in Fibroblast Growth Factor-1 (FGF-1) expression in a group of repeated implantation failure after in vitro fertilization (IVF) patients, when compared to fertile patients. PATIENTS AND METHODS Study group consisted of 24 patients with repeated implantation failure and 29 fertile control patients. Endometrial samples received at the luteal phase we...
background: conventional ivf and icsi are two common techniques to achieve fertilization. ivf has long been used for treatment of infertility, although it is not an effective treatment in severe male infertility. the use of icsi has been expanded in severe male factor and fertilization failure after ivf cycle. in spite of the widespread use of icsi in patients with non-male factor infertility, ...
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