1. Why do pregnant women need calcium supplements? 2. What foods should pregnant women eat to supplement calcium? 3. Which type of calcium tablets should pregnant women choose? 4. Precautions for calcium supplementation for pregnant women 1. Why do pregnant women need calcium supplementation? During pregnancy, the fetus\’s bone development requires a large amount of calcium, and the mother itself also needs to maintain normal bone structure and function. Lack of calcium during pregnancy can lead to anemia, arrhythmia and other problems in the mother. It can also affect the growth and development of the fetus and even lead to congenital malformations. Therefore, supplementation during pregnancy