IVF cloning is a kind of colonization technology, which is used to solve reproductive difficulties or achieve reproductive autonomy. In some specific cases, people choose IVF cloning. The reasons can be explained from four aspects: ethical, medical, economic and personal factors. Ethical factors
IVF cloning involves some ethical issues, but some people tend to accept it subjectively. First of all, some people believe that cloning is a kind of respect and continuation of life. They hope to continue their genes through cloning. Secondly, some couples may be unable to have healthy children due to irreversible genetic diseases. IVF cloning provides them with a hope. In addition, some couples may have experienced multiple failures of artificial insemination or IVF, and cloning technology can increase their chances of successful reproduction. However, there are still ethical problems in IVF cloning, such as the uniqueness of life reproduction, moral responsibility and the complexity of the relationship between parents and children. Different people have different views and positions on these issues.

Medical factors
IVF cloning is regarded as an advanced technology in medicine. Some people choose this method because they believe it can provide better reproductive results. First of all, cloning technology can give couples who are unable to have children due to reproductive system problems or irreversible infertility a chance to achieve their reproductive aspirations. Secondly, for some diseases caused by genetic factors, such as polycystic ovary syndrome, chromosome abnormalities, etc., IVF cloning can avoid the inheritance of these diseases. However, people also have some concerns about the medical risks and uncertainties of IVF cloning. Cloning technology is still a relatively new technology, which may have unknown long-term health effects. In addition, risks such as complications in pregnancy and reproductive system problems also need to be considered.
economic factors
IVF cloning is not a cheap technology. However, for some wealthy families, they may choose IVF cloning because they have the ability to bear high costs. These costs include the cost of treatment of women's reproductive system, the cost of IVF cloning, and the cost of child support. In addition, some people will also consider the legal and insurance issues related to IVF cloning. In some countries or regions, IVF cloning may be restricted or prohibited by strict laws, which may also lead some couples to choose to go to other countries to accept cloning technology. When choosing IVF cloning, people also need to consider the additional costs of cloning technology, such as sperm or egg donation, embryo transfer and other costs.
Personal factors
IVF cloning is a personal decision, which is also affected by personal factors. Some people choose IVF cloning to meet their reproductive aspirations and family expectations. In addition, some couples may be pressured by relatives, friends or society to meet the expectations of others and themselves through cloning. On the other hand, people may also choose IVF cloning because of their fear and uncertainty about natural reproduction. Due to the increase of childbearing age, unstable childbearing conditions and other reasons, some people may not have enough confidence in natural reproduction, so they choose IVF cloning to reduce risks and uncertainties.
To sum up, the reasons why people choose IVF cloning can be explained from ethical, medical, economic and personal factors. IVF cloning provides a way for people with certain fertility difficulties to realize their reproductive aspirations. However, there are still some ethical and medical problems in IVF cloning, and people need to weigh the pros and cons when making choices. In general, IVF cloning as a colonization technology still needs more discussion and research.