Porphyra is rich in protein, iron, phosphorus, calcium, iodine, riboflavin, carotene, choline, vitamins, etc. It has many functions such as diuresis, reducing blood fat, promoting hemoglobin formation, preventing goiter, preventing osteoporosis, and preventing cancer. If pregnant women lack iodine, it will affect the intellectual development of the fetus. It can not only prevent and improve the anemia of pregnant women, but also supplement a variety of trace elements to promote and protect bones, which is beneficial to both the fetus and pregnant women. However, if you have hyperthyroidism, poor digestive function and spleen deficiency, it is recommended to eat less. If you eat too much laver, it may lead to diarrhea, abdominal pain, or aggravate the disease.

During pregnancy, the nutrition of the diet should be balanced, and we should eat more nutritious foods, mainly high-quality proteins, fresh fruits and vegetables, and foods rich in iron, such as lean meat, spinach and fish. We should also eat more dairy products and bean products, and increase the intake of calcium and protein. The diet should be light, not heavy oil and salt, and not barbecue, hot pot, spicy food and cold food.