In vitro fertilization (IVF) occupiesa central place in medically assisted reproduction methods, representing notable results. The bioethical approach to this procedure refers to the distinction between the moment „when a human lifebegins” and „when a personality begins”, between the limits of freedom and responsibility and also the discrepancy betweenwhat happens in current medical practice and what should happen. Highlighting the contradictory arguments of in vitro fertilization from a bioethical standpoint. National and international scientific sources from medicine and bioethics with a moral, legislative and religious framework, etc. In the study the bioethical, analytic, structural and statistical methods were applied. Some bioethical alternatives that make it difficult to apply the IVF method derive from the most controversial questions in society, such as: moral and legal status of the human embryo, supernumerary embryos, risk of eugenic drift, fragmentation of family and parental authority, medical tourism, access conditions to this method, the motivation of the parents, the limits of unavailability and availability of medicine to human life, etc. Main concern of bioethics is the possibility brought by the progress of medicine in manipulating and experimenting the human embryo, in vitro, through the potential of genetics, which sometimes interferes with the fundamental symbolic values of humanity: origin of life, person, heredity and family.