Embryo oxygen consumption to evaluate the embryo quality
نویسندگان
چکیده
منابع مشابه
I-11: The Use of Oxygen Consumption for Oocyte and Embryo Selection
Assisted human reproduction is characterized by a high variability in results regarding pregnancy and birth rates. In fact, in a cohort of fertilized oocytes from the same stimulation cycle, the development rate varies drastically, even though produced at the same time and under similar conditions. This variability results in large differences in implantation potential of human embryos develope...
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O2 consumption of a single embryo/planula at each developmental stage was monitored in the reef-building coral Acropora intermedia using an optical O2-sensing system with our original micro-chamber system (6.28 μl). The lowest rate of O2 consumption was observed in unfertilized eggs. After fertilization, O2 consumption increased and remained constant until the prawn chip blastula stage. However...
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Exposure of either gametes or embryos to conditions and/or factors that generate oxidative stress has been associated with impaired early embryogenesis. The effects of reactive oxygen species (ROS) on mouse preimplantation development, depending of the ROS-concentration and time of exposition, were studied. Two-cell embryos were incubated with 5, 10, 25 and 50 microM of hydrogen peroxide (H2O2)...
متن کاملThe Effect of Reactive Oxygen Species on Embryo Quality in IVF.
UNLABELLED BACKROUND/AIM: Reactive oxygen species (ROS) are involved in critical biological processes in human reproduction. The aim of this study was to evaluate the association of embryo quality following in vitro fertilization (IVF), with ROS levels in the serum and follicular fluid (FF). MATERIALS AND METHODS Eighty-five participants underwent ovarian stimulation and IVF; ROS levels were ...
متن کاملThe Comparison Between the Pregnancy Outcome after Easy Embryo Transfer and Difficult Embryo Transfer
Background: The role of embryo transfer (ET) in the success of in vitro fertilization/intra cytoplasmic sperm injection treatment is not well understood. In the present study we classified ET technique as difficult and easy types according to certain strict criteria, and compared the pregnancy outcome of the two ET types. Methods: This study was performed retrospectively on 295 infertile patien...
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ژورنال
عنوان ژورنال: Fertility and Sterility
سال: 2018
ISSN: 0015-0282
DOI: 10.1016/j.fertnstert.2018.07.987