Children whose parents have a family history of cleft lip and palate are more likely to get sick. If one parent has cleft lip or palate, the incidence rate of children is 4%, and that of the next generation is 0.7%. Lack of necessary key nutrition; Secondly, the radiation in the workplace is large, smoking and drinking are also incentives. In addition, it is inherited by parents, not using drugs according to regulations during pregnancy, and being infected by epidemic virus is the main incentive.

Rabbit lip and cleft palate are commonly known as rabbit lip and cleft palate. Their congenital patients are all caused by the development of upper lip and palate in embryonic period, and some of them are caused by genetic factors. Cleft lip and palate is a polygenic disease, and 20%-30% patients have positive genetic factors. Some pregnant women have a bad working and living environment, such as radiation, polluted gas and chemical plants. , will lead to fetal malformation. Some pregnant mothers have a strong reaction to early pregnancy, so they have no appetite and eat little. Therefore, the intake of nutrients can not meet the needs of the baby, which eventually leads to the appearance of rabbit lips.

If an immediate family member has rabbit lips, it is recommended that mothers report this situation to the doctor in time and supplement folic acid on time and according to the doctor's advice. Generally speaking, folic acid can reduce neural tube malformation and reduce the chance of baby getting rabbit lips. Such as prednisone, anticonvulsant and sedative drugs such as phenytoin sodium, deoxyphenobarbital, phenobarbital, antidepressants such as imipramine, antidiabetic drugs such as thiourea and chlorpromazine, etc., can all cause fetal cleft lip and palate.

If women are obviously traumatized in the early pregnancy, it will lead to an abnormal increase in the secretion of adrenal hormones in the body, thus inducing cleft lip and palate; In particular, four-dimensional color Doppler ultrasound has high requirements for fetal position. Children often cover their faces with their hands, which is invisible at this time. They will ask pregnant mothers to go out for activities until they pass the examination. Don't worry about this.