Pregnant women need to do the following preparations in early pregnancy: 1, due to changes in the body estrogen and progesterone, early pregnancy symptoms such as nausea and vomiting will occur in early pregnancy, at this time the pregnant woman’s body is relatively weak, pregnant women should pay attention to adhere to exercise to improve the body’s resistance to achieve the purpose of disease prevention, pregnant women can be appropriate for walking and other relatively mild exercise; 2, pregnant women in early pregnancy need to pay attention to The nutrition of the fetus is supplied by the endometrium, and pregnant women need to store nutrition through diet, and pregnant women can consume the following foods rich in nutrition, such as lean meat, vegetables, soy products, etc.; 3. The first trimester is a critical period for the development of the fetus, a little inattention may affect the normal development of the fetus, or even lead to malformations, pregnant women should avoid exposure to mercury, lead and other radioactive substances.