If the seven-month-old fetus is too small, it may be caused by long-term lack of nutrition. Parents should strengthen nursing in this respect, eat more foods that are easy to digest and promote the absorption of tire pressure, and pay attention to the balance of nutrition to avoid serious impact on the fetus.

Folic acid can be obtained from many kinds of vegetables, such as lettuce, spinach, tomatoes, carrots, vegetables, cauliflower, rape and so on. Calcium can be obtained from kelp, shrimp skin and nuts. Iron can be obtained from beef and mutton, spinach, egg yolk and other foods.

If the pregnant mother has a bad appetite, or has always eaten less, she can also buy nutritional products such as pregnant milk powder or multivitamins to supplement nutrition. However, it should be noted that it is not necessary to eat at the same time, so as to avoid excessive consumption of some vitamins.

In the first trimester, expectant mothers had better choose neutral fruits, such as apples, grapes, oranges, lemons, guava, bananas, pineapples, lotus seeds, sugar cane and olives. If you want to eat hot fruit, you must eat it in a small amount, and it is best to eat it with cold fruit, so as to neutralize cold and heat. Cold fruits such as watermelon, grapefruit and pear should also be selective.

Banana has a good effect of moistening intestine, which can promote gastrointestinal peristalsis and relieve constipation symptoms. When pregnant women are constipated, they can eat a banana before meals, 1-2 times a day for several days, which can effectively relieve constipation.

If pregnant women have a cold due to wind and heat, it is best to eat some cool fruits, such as Sydney and pitaya. If pregnant women have a cold, they should eat more fruits rich in vitamin C, supplement vitamins and enhance their resistance.