For pregnant mothers, the most important thing in pregnancy is the development of the fetus. The most tense moment is every pregnancy examination, looking at the doctor’s dignified expression, for fear that his next sentence is where the baby is abnormal. < / P > < p > seeing a string of numbers on the receipt and listening to the professional terms in the doctor’s mouth, each Baoma team will study for a long time, for fear that they may miss some key information. < / P > < p > Lulu encountered this situation during the pregnancy test. She was eight months pregnant at that time, and the doctor suddenly said, “this child has a big head.” Lulu carefully asked if there was something wrong. The doctor only said it didn’t matter. < / P > < p > although told that the child is developing normally, Lulu has been thinking about what the doctor means. Until after giving birth, Lulu saw her son’s big head at first sight. < / P > < p > we often say that the fetal head is not big. In medicine, there is a professional term called biparietal diameter, which refers to the length of the widest part between the left and right sides of the fetal head. < / P > < p > in the view of the older generation, if the baby’s head is bigger in the B-ultrasound, it’s mostly boys, if the baby’s head is smaller, it’s mostly girls. But from medical knowledge, the size of fetal head has nothing to do with gender, but with the level of development. < / P > < p > biparietal diameter is directly proportional to fetal weight. In other words, the greater the fetal weight, the greater the head circumference. Once the baby’s development values show overweight, the mother should pay attention to weight control and diet to avoid the formation of “giant baby”. The incidence of macrosomia has increased from 3% at the end of last century to 7% ~ 8% today, and 12.5% in some areas. < / P > < p > whether it is caused by heavy weight, genetic factors or individual differences, fetal head circumference will increase the difficulty of natural labor. In most cases, the fetal head is delivered first. < / P > < p > if you stay in the birth canal for a long time, your baby is prone to suffocation. For the sake of safety, pregnant women whose fetal head is significantly larger than the average level will be recommended by doctors for cesarean section. < / P > < p > when the doctor finds that the fetal head circumference is significantly larger and reaches the standard of dysplasia, the pregnant woman is usually arranged for further examination to determine whether there are other abnormalities at the same time and exclude the possibility of hydrocephalus. < / P > < p > if pregnant women are obese or have given birth to overweight children before, they should pay special attention to weight control and reasonable diet planning during pregnancy. < / P > < p > candy mother advised: the baby’s body curled up during the fetal period, the whole state will tend to be “big head, small body”, as long as the doctor has no objection, there is no need to worry too much. < / P > < p > I’m a candy mom, a learning and growing treasure mom, focusing on pregnancy and child rearing. If you want to raise your baby easily, don’t forget to pay attention to it. The candy mom team will answer questions and solve doubts for your child rearing. After pregnancy, do not let the wife do these five kinds of housework, the husband should be responsible for it, otherwise it is easy to hurt the fetus!