The growth and development of the fetus depends entirely on the nutrition provided by the mother. The quality of nutrition during pregnancy will not only affect the growth and development of the fetus, but also affect the health of the child throughout his life. If you are malnourished during pregnancy, the impact and harm to the fetus will be very serious, leading to low birth weight, congenital malnutrition and even congenital malformation.

1, nutritional deficiency during pregnancy can easily lead to anemia.

About 20% pregnant women in urban population suffer from anemia in different degrees, while the incidence rate in rural areas is higher, reaching more than 40%. The main reason is the lack of iron, folic acid or vitamin B 12. Anemia during pregnancy not only affects maternal health, but also affects the growth and development of the fetus, as well as the neurobehavioral and intellectual level after birth.

2. Malnutrition affects the pregnancy outcome.

Nutrition during pregnancy is closely related to abortion, premature delivery and premature rupture of membranes. Serious lack of protein, vitamins and trace elements can lead to abortion; The reduction of copper ions in pregnant women's diet can reduce the synthesis of collagen fibers and elastic fibers in fibroblasts and reduce the elasticity of fetal membranes. Vitamin C deficiency can increase the brittleness of fetal membranes and increase the incidence of premature rupture of fetal membranes. In addition, the decrease of copper ion and zinc ion concentration in pregnant women's serum can lead to the occurrence of overdue pregnancy.

3. Fetal malformation caused by malnutrition

China is one of the countries with high incidence of birth defects. Every year, about160,000 deformed babies are born, of which about 80 8- 10/0,000 are babies with visible defects. The causes of fetal malformation are very complicated, but the relationship between nutrition and fetal malformation has long attracted people's attention. For example, folic acid deficiency can lead to abortion, stillbirth and even neonatal cleft lip, cleft palate and neural tube malformation.

Malnutrition can easily lead to mental retardation.

Eugenics scientists found in experiments that if the embryo is malnourished, the number of brain cells is only 82% of that of excellent babies, while if the fetus is malnourished, even if the nutrition is improved after birth, it is still difficult to recover intelligence. If you are malnourished for a long time, the brain, cerebellum or brain stem are far behind the excellent infants, which is equivalent to 1/2-3/4 of the excellent infants.