نتایج جستجو برای: repeated implantation failures
تعداد نتایج: 205046 فیلتر نتایج به سال:
BACKGROUND GnRH agonist administration in the luteal phase has been suggested to beneficially affect the outcome of intracytoplasmic sperm injection (ICSI) and embryo transfer (ET) cycles. This blind randomized controlled study evaluates the effect of GnRH (Gonadotropine Releasing Hormone) agonist administration on ICSI outcome in GnRH antagonist ovarian stimulation protocol in women with 2 or ...
In this paper we examine the history of using random numbers in computer programs. Unfortunately, this history is sad because it is replete with disasters ranging from one of the first pseudo-random number generators, RANDU, being very bad to the most recent efforts by the NSA to undermine the pseudorandom number generator in RSA’s BSAFE cryptographic library. Failures in this area have been bo...
BACKGROUND At present, a diagnostic tool with high specificity for impaired endometrial receptivity, which may lead to implantation failure, remains to be developed. We aimed to assess the different endometrial microRNA (miRNA) signatures for impaired endometrial receptivity by microarray analysis. METHODS A total of 12 repeated implantation failure (RIF) patients and 10 infertile patients, w...
Embryo implantation represents the most critical step of the reproductive process in many species. Inadequate uterine receptivity is responsible for approximately two-thirds of implantation failures. The cell adhesion molecule (CAM) such as integrins, cadherins, selectins and immunoglobulins intervene to ensure adhesiveness between the embryo and the endometrium. Some recent studies indicate th...
Fig. 1.-Craniopharyngioma in a 10-year-old boy. B old . Because of enlargement of the tumor, the patient had undergone multiple radiation treatments and repeated punctures of the cyst via craniotomy burr holes; the aspirated material contained cholesterol. Follow-up included routine CT scans every 6 months, which had not changed for the past 2 years. Approximately 9 months before admission, a r...
BACKGROUND Repeated Implantation Failure (RIF) is one of the most intricate obstacles in assisted reproduction. The cytokine and chemokine composition of uterine cavity seem to play important roles in the implantation process. OBJECTIVE To compare the cytokine profile in the endometrium of normal fertile women and those with repeated implantation failure. METHODS After enzymatic digestion o...
Neoatherosclerosis as reason for stent failures beyond 5 years after drug-eluting stent implantation
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