B vitamins are essential elements for human body, especially before pregnancy, you can take medicine to supplement them. However, it is recommended to take complementary food and eat more fruits, vegetables and coarse grains, which are rich in vitamins. At present, China requires taking folic acid every day from the first three months to the third month of pregnancy to prevent fetal neural tube defects. It is suggested to supplement the remaining trace elements such as vitamins and calcium.

However, it should be noted that morning sickness should not stop taking vitamin B6.

Vitamin B6 is closely related to amino acid absorption, protein synthesis and fat metabolism. It is an essential substance for cell growth, and the development of the fetus cannot be separated from these substances. However, under normal circumstances, a baby only needs 1-2 mg of vitamin B6 every day, and this amount of vitamin B6 can be obtained from the mother's diet. If the mother takes too much vitamin B6, the baby is prone to dependence, that is, addiction.