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Current knowledge and challenges associated with embryo transfer in assisted reproduction in humans and selected mammals.
Hrdová, Lucie ; Komrsková, Kateřina (advisor) ; Cozlová, Nina (referee)
The embryo transfer represents the final and pivotal step of in vitro fertilization, which leads to a successful implantation of the embryo into the uterus and subsequent birth of a healthy offspring if executed correctly. This bachelor thesis focuses on the technique of transfer using a catheter and the potential complications associated with it, including the optimal timing for the procedure. Furthermore, differences in forms of embryo transfer are discussed, assessing advantages and risks, comparing single and multiple, as well as fresh and frozen embryo transfer. The thesis introduces the related topic of cryopreservation and the possibilities in terms of preserving embryos for future use. This thesis also covers hormonal stimulation and uterine response, addressing specifically the role of gonadotropins, steroid hormones, prostaglandins, and the potential positive influence of human growth hormone on optimizing successful outcomes in assisted reproduction. Additionally, possible complications associated with embryo transfer in the early stages of pregnancy, as well as complications that may arise before the actual embryo implantation occurs are covered. Lastly, the issues related to embryo transfer in the context of controlled breeding of selected domesticated animals and endangered mammalian...
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