The daily amount of calcium needed by pregnant women varies according to the period of pregnancy, mainly as follows: 1. Early pregnancy is the period of cell division and initial organ formation and development, the amount of calcium needed by pregnant mothers is the same as that needed by ordinary adults, drinking 250ml of fresh milk or yogurt every day can provide 250mg of calcium; 2. At mid-pregnancy, the daily amount of calcium needed by pregnant mothers is 1000mg. the rapid growth and development of the fetal baby, the The intake will be increased by drinking 500ml of milk or yogurt every day. For pregnant women who are not accustomed to drinking milk, they can supplement 500mg of calcium tablets every day, or eat shrimp, soybeans, soy products, and green leafy vegetables, which can also reach this dose; 3. The amount of calcium needed in the late pregnancy is 1200mg/day, and as the fetal baby continues to grow, the need for calcium will further increase, so they should drink 500ml of milk or yogurt every day, and then supplement 500mg of calcium tablets, and also eat Drink 500ml of milk or yogurt and 500mg of calcium tablets every day, and eat foods with high calcium content to achieve the required amount. Also remember that you need to have sunshine every day.