Praktyczne aspekty transferu zarodków

*Cezary Grygoruk, Grzegorz Mrugacz, Karol Ratomski, Mirosław Grusza, Agnieszka Talecka-Niczyporuk, Piotr Pietrewicz

Summary
It is estimated that the approximately 15% of population in reproductive age is suffering from infertility. It constitutes about 80 millions couples all over the world. The infertility treatment method is carefully chosen to fit individual health requirements and source of infertility of the couple without causing major health side effects and provide a maximal success rate. The in-vitro fertilization process, frequently applied in the case of a male infertility or the closed fallopian tubes, consists of the following stages: preparation, controlled ovarian hyperstimulation, oocytes pick-up, sperm preparation, fertilization of the occytes, embryo culture, embryo transfer and luteal phase support. The fact that high rates of fertilization in the laboratory result in a relatively low rate of “take home babies” has led investigators to focus the blame on various features of the in-vitro fertilization procedure. The embryo transfer, the final manual intervention in in-vitro fertilization process, remains in the center of interest of the researchers. The main goal of the embryo transfer is to place embryos safely inside the uterine cavity. However, there are many factors influencing the overall success of embryo transfer, for example: an equipment used for embryo transfer including the catheter type, the knowledge of anatomy and physiology of the reproductive tract or the experience of the operator.

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