نتایج جستجو برای: in vitro fertilization
تعداد نتایج: 17017388 فیلتر نتایج به سال:
We have developed an assay for detecting the acrosome reaction in mouse sperm using chlortetracycline (CTC) as a fluorescent probe . Sperm known to be intact with nonreacted acrosomes show CTC fluorescence in the presence of Ca" over the anterior portion of the sperm head on the plasma membrane covering the acrosome . Sperm which have undergone the acrosome reaction do not show fluorescence on ...
This review addresses issues regarding the need in the in vitro fertilization (IVF) field for further predictive markers enhancing the standing embryo selection criteria. It aims to serve as a source of defining information for an audience interested in factors related to the wide range of multiple roles played by cell adhesion molecules (CAMs) in several aspects of IVF ultimately associated wi...
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The incidence of complications arising from in vitro fertilization and oocyte retrieval is relatively low. Infections, bleeding, and ovarian torsion are the main complications discussed in this review. Physicians and patients need to be aware of these complications at all times during the treatment process. Early diagnosis and proper medical or surgical interventions will lead to a successful r...
The perinatal outcome of pregnancies (both single and multiple) established after in-vitro fertilization (IVF)-surrogacy was evaluated and compared to the outcome of pregnancies that resulted from standard IVF. Analysis of medical records and a telephone interview with physicians, IVF-surrogates, and commissioning mothers were conducted to assess prenatal follow up and delivery care in several ...
BACKGROUND Pregnancy rates in women of advanced maternal age undergoing in vitro fertilization (IVF) are disappointingly low. It has been suggested that the use of preimplantation genetic screening of cleavage-stage embryos for aneuploidies may improve the effectiveness of IVF in these women. METHODS We conducted a multicenter, randomized, double-blind, controlled trial comparing three cycles...
In vitro fertilization is becoming a pressing issue in contemporary societies. The article considers it starting from the Polish debate but takes up its broader anthropological and ethical aspects. Dealing with the latter, it also employs some acute remarks from “Dignitas Personae.” Finally it considers an approach to in vitro against the background of “European Convention on Bioethics.” In its...
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