Fetal head cysts need to be judged according to the size and severity of the cyst. If the fetal head cyst is relatively small, less than one centimeter, it may not need to be treated for the time being, and can be followed up regularly for observation, which generally will not have a greater impact on the growth and development of the fetus. If the fetal head cyst is large, or if it is found to be enlarged during the examination, the situation may be more serious, and the pregnancy may need to be terminated in time to avoid affecting the development of the child at a later stage. This may have an impact on the child’s mental development and may also affect the child’s normal life. During pregnancy, you need to see a doctor regularly for various checkups to understand the growth and development of the fetus.