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INTRODUCTION
Human embryonic stem cell (HESC) could be attained from two situations. First, it could be extracted from human embryo or foetus during or after an abortion, or after miscarriage. And secondly, it can be found in early human embryo after in-vitro fertilization or similar processes.The explorations of human embryonic stem cell are advancing because of its great prospect in repairing and regenerate damaged cells and tissue. Alzheimerâ€&#x;s, Parkinsonâ€&#x;s, heart disease, stroke, and diabetes are some of many treatable diseases that could be cured using human embryonic stem cell. However, there are widespread controversies over the process of extracting human embryonic stem cell. The controversies occur mainly because it destroys the embryo. As religious faith and moral matters, human has a beginning, and embryo is believed the start of human life. Hence, embryo is considered as a living. Thus, destroying embryo means destroying human life.Respectively, the controversies are also upraised due to severe medical risk of oocyte retrieval. The oocyte retrieval which is exposed to medical risk could cause bleeding, infection, ovarian hyper-stimulation syndrome, and complications to both donor and recipient. The research emphasizes the critical ethical issues in human embryonic stem cell practice. There are three objectives built to cater the issues in the research. Firstly, the research is designed to examine the process of extracting human embryonic stem cell. Secondly, analysing the positive and negative ethics practiced in stem cell research and finally, proposing a policy for the practice of HESC that should be applied by practitioners.
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