نتایج جستجو برای: implantation embryo
تعداد نتایج: 123112 فیلتر نتایج به سال:
embryo transfer and its related factors received little clinical attention and had been, until recently, the most inefficient step in in-vitro fertilization (ivf). factors which appear to influence implantation rates are: contamination of the catheter tip with cervical bacteria, stimulation of uterine contractions during the procedure, the type of catheter, ultrasound guidance during the transf...
The effects of two Peruvian folk medicines, Lepidium meyenii Walp and Jatropha macrantha, on mouse sex steroid hormones and embryo implantation were investigated. Progesterone levels increased significantly in mice that received L. meyenii Walp, while testosterone levels increased significantly in mice that received L. meyenii Walp as well as in those that received both L. meyenii Walp and J. m...
In mammals, thousands of non-protein-coding RNAs (ncRNAs), including microRNAs, endogenous small interfering RNAs, PIWI-interacting RNAs and mRNA-like long ncRNAs, have been identified. These RNAs modulate gene expression at transcriptional, post-transcriptional and epigenetic levels in many developmental and metabolic processes. Increasing evidence shows that ncRNAs are also linked to embryo i...
Insulin like growth factors (IGF-I and IGF-II) are expressed in embryos and reproductive tracts of several species including cow, sheep and swine. They are mitogenic and have endocrine, paracrine and autocrine function infusing cell division, blastocyst formation, implantation and embryo growth. Increase in embryo growth will probably result with a higher implantation rates leading to consequen...
effect of cervical mucus aspiration with insulin syringe on pregnancy rate in art cycles a. aflatoonian md1*, m. asgharnia md 2, n.tabibnejad gp3 1- associated professor, dept. of gynecology, university of medical sciences and research and clinical center of infertility, yazd, iran 2- assistant professor, dept. of gynecology, guilan university of medical sciences, rasht, iran 3- gen...
1. The activity of glucose 6-phosphate dehydrogenase was determined in mouse embryos during the first 5 days of development from the time of ovulation up to implantation. 2. The activity decreased from 1.39 to 0.19mmumoles of NADP reduced/hr./embryo from ovulation to implantation. 3. The specific activity of the embryo on the first day was higher than specific activities reported for most other...
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