Squatting phenomenon refers to a specific forced body position and is a common clinical manifestation of congenital heart disease. So, what are the measures to prevent the appearance of squatting? The following measures to prevent the emergence of squatting phenomenon: There are already relevant research data show that the emergence of squatting phenomenon has a certain tendency of family gathering, and genetic and environmental factors have some relationship, but couples in preparation for pregnancy if you can pay attention to the following points can also be effective in preventing the baby disease. 1, the couple to carry out pre-conception examination Current research shows that squatting phenomenon appears family gathering phenomenon, may be related to parental germ cells, chromosomal abnormalities. Therefore, couples with a family history of squatting phenomenon should undergo chromosomal examination before preparing for pregnancy to see if there are chromosomal abnormalities. In vitro fertilization can be performed by extracting normal sperm and egg cells. 2, genetic testing Some research data shows that the occurrence of squatting phenomenon may be related to multiple genetic abnormalities. If there is a high chance of squatting in the family, the possibility of genetic abnormalities is higher. It is best for couples to undergo genetic testing before preparing for pregnancy, and if there are genetic abnormalities, gene therapy can be performed to ensure a normal baby. 3, change the living environment Existing research has shown that the rate of squatting in some areas is significantly higher than in other areas, which indicates that environmental factors are related to the emergence of squatting, the specific which is not clear, may be related to the high content of radiation in the environment, high content of toxic substances. Therefore, if a couple lives in an environment where the incidence of squatting is significantly higher than in other areas, they should consider moving to another place to become pregnant in order to reduce the impact of harmful environmental factors on the fetus. These are the preventive measures for the emergence of squatting phenomenon, active prevention of eugenics and improvement of population quality.