نتایج جستجو برای: laser assisted hatching
تعداد نتایج: 305427 فیلتر نتایج به سال:
At present, the problem of increasing effectiveness programs assisted reproductive technologies and successful infertility treatment is still relevant. Assisted hatching used in devitrificated embryo transfer facilitates exit from pellucide zone. Yet clinical efficacy relevant debatable. There are no clear indications for use this technology, groups patients have been identified. The aim study....
OBJECTIVE We studied the effect of the site of laser zona opening on the complete hatching of mouse blastocysts and the cell numbers of the completely hatched blastocysts. METHODS Mouse blastocysts were randomly allocated to the inner cell mass (ICM) group (zona opening performed at the site of the ICM, n=125), the trophectoderm (TE) group (zona opening performed opposite to the ICM, n=125) a...
When a blastocyst expands with the growth of the blastocoel, it stretches and thins the zona pellucida (ZP), ultimately rupturing the ZP allowing the embryo to hatch free ready for implantation. In the event this does not occur, then an otherwise potentially viable embryo may not implant. Assisted hatching (AH) has been developed to overcome this, but has been applied mostly to day-2/3 embryos ...
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