The cause of bilateral choroid plexus cysts is considered to be a natural phenomenon in development, which is not treated and can usually disappear on its own by about 26 weeks of pregnancy. In addition, it may be a chromosomal abnormality, it is best to go to the hospital for further examination. If it is a chromosomal abnormality that affects the baby’s development, you should induce labor in time and the next pregnancy is recommended to check the chromosomes. If both parents have chromosomal abnormalities and cannot have children, they are easy to inherit to the baby. It is recommended to go to a regular hospital for IVF, which can prevent the baby from malformation and so on. During pregnancy to strengthen the diet and nutrition, appropriate exercise, can enhance resistance to prevent bacterial or viral infections, so as not to affect the development of the baby, etc..