You can eat it, but it is recommended to take it in small quantities. Although tuna has high nutritional value, with the increasingly serious marine pollution, the mercury content in tuna is relatively high. If pregnant women eat too much, it will have a negative impact on their baby's health. Pregnant women can drink tuna soup. Tuna is rich in DHA, which is helpful for fetal brain development, but it should be moderate, preferably not more than 100g at a time, to prevent excessive mercury from entering pregnant women.