Live Demontration of Egg Collection and Embryo Transfer in IVF Part 4. The process of in-vitro fertilization (IVF) involves many important steps. Improvements in ovulation induction, oocyte retrieval and laboratory techniques to achieve maximal rates of fertilization and embryo development have resulted in at least one embryo transfer in 90 % of all cases where oocytes have been retrieved (1). Embryo transfer (ET) is the final and most crucial step of IVF. The successful pregnancy outcome is predicted by the implantation of embryo in uterus.
The process of implantation involves two main components, a healthy embryo that should have the potential to implant and a receptive endometrium that should enable implantation. The “cross-talk” between the embryo and the endometrium that finally leads to apposition, attachment and invasion of embryos is mandatory for successful implantation and subsequent normal placentation. [2.3]. Any abnormality attributed to the embryo, the endometrium or the immune system will result in implantation failure. Therefore, travelling per se will not affect any of the above factors responsible for implantation of embryo.
Earlier there were many studies to evaluate the effect of bed rest on pregnancy rates after embryo transfer. This is the first study to compare the pregnancy rates in patients who travelled to their countries with the patients who stayed back in Delhi after embryo transfer.
Materials and Methods
A retrospective analysis was done in 100 infertile females with age till 40 years who underwent IVF from January 2016 to June 2016. They were divided in 2 groups - the females who went back to their own country after 3 days of embryo transfer (48 females - Group 1) and who stayed back in Delhi (52 females - Group 2). The mean patient age, number of embryos transferred (1,2,3,4), grade (a or b), easy or difficult transfer and endometrial thickness are comparable in both the groups.
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27 авг 2024
