Teratozoospermia influences fertilization rate in vitro but not embryo quality
نویسندگان
چکیده
منابع مشابه
Oocyte morphology does not affect fertilization rate, embryo quality and implantation rate after intracytoplasmic sperm injection.
In this study, we compared the fertilization rate and embryo quality after intracytoplasmic sperm injection (ICSI) as they relate to oocyte morphology. A total of 654 ICSI cycles yielding 5903 metaphase II oocytes were observed. The oocytes retrieved in these cycles were divided into (i) normal oocytes, (ii) oocytes with extracytoplasmic abnormalities (dark zona pellucida and large perivitellin...
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The aim of this study was to evaluate the efficacy of oral melatonin supplementation on oocyte and embryo quality in patients in an assisted reproductive technologies program. All patients were treated for at least 2 weeks with melatonin (3 mg/day). To evaluate the cumulative effect of melatonin supplementation, we compared cycle outcomes between the first (no supplementation) and second cycles...
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Background Effect of seasonal changes in human reproduction has been intensively researched. Some studies acknowledge influences of seasonal variation on natural conception, while others can not confirm them. The aim of this study was to investigate the effect of seasonal changes on different stages of assisted reproductive technology (ART) in Tehran. MaterialsAndMethods This study was carried ...
متن کاملIn Vitro Fertilization and Embryo Transfer
macrophages" is discussed in the third symposium. Most studies in this section have employed the methodology of DNA labeling, using tritiated thymidine (3H-Tdr) to ascertain whether microglia are related to blood monocytes (as one contributor contends most CNS macrophages are), or whether they represented a "third" glial cell line. Other articles attempt to quantitate neural synapses, to elabor...
متن کاملIn vitro fertilization and embryo transfer.
In vitro fertilization is one of the newest approaches to infertility. Opportunities for nurses in IVF involve teaching couples about physiology, providing technical assistance and care, and counseling about the medical and emotional aspects of the program. Many times the nurse serves as the primary support person for couples and as their advocate with other team members.
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ژورنال
عنوان ژورنال: Human Reproduction
سال: 1997
ISSN: 0268-1161,1460-2350
DOI: 10.1093/humrep/12.5.1069