نتایج جستجو برای: failed fertilization
تعداد نتایج: 117816 فیلتر نتایج به سال:
BACKGROUND Recently, motile sperm organelle morphology examination (MSOME) criteria as a new real time tool for evaluation of spermatozoa in intracytoplasmic sperm injection (ICSI) cycles has been considered. OBJECTIVE The aim was to investigate the predictive value of MSOME in in vitro fertilization (IVF) in comparison to ICSI cycles and evaluation of the association between MSOME parameters...
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, ...
Infertility is one of the most significant human health problems reproductive years. The causes infertility are diverse and numerous-including non-genetic genetic factors. A review this case confirmed this. balanced translocation was found in two siblings diagnosed with azoospermia. After being unable to conceive, older brother his wife had vitro fertilization (IVF) failed. At same time, younge...
This month's installment of Generally Physiological explores the identification of an oocyte cell surface receptor required for fertilization, the role of calcium stores in large dense core vesicles in neuropeptide secretion, and the conversion of a chan nelrhodopsin to a light-activated chloride channel. The ability of a sperm and an egg to fuse to form the diploid zygote depends on their reco...
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