Pregnant women must deal with more than just morning sickness, backaches, swollen ankles, cravings, and tiredness. Pregnancy can also impair your immune system, making you more vulnerable to diseases like the flu and the common cold.
Your immune system changes during pregnancy so that it can defend both you and your baby from illness. Certain aspects of your immune system are boosted, while others are inhibited. This establishes a balance that can avoid infection in the infant while not compromising the mother's health.
High dosages of vitamin A, vitamin B6, vitamin C, vitamin D, or vitamin E, for example, can be hazardous. It is advised to avoid taking these vitamins as supplements when pregnant. It's also a good idea to avoid meals that are strong in vitamin A.