Pregnant women must not only maintain their own nutrition, but also meet the growth and development of the fetus and prepare nutritional reserves for delivery and breastfeeding. Especially for a fetus, which grows from a fertilized egg to about 3 kilograms, all the nutrients needed for its growth and development must be provided by the mother. The quality of maternal nutrition directly affects the nutritional status of the fetus. The mother’s nutritional intake is insufficient,