No, the American Pregnancy Association advises pregnant women to avoid sushi made with raw or smoked yellowtail fish, as it has high levels of mercury in it. Too much consumption of mercury can be extremely harmful for pregnant women. It can also lead to irrepairable brain damage to the unborn child. Hence, it is recommended to avoid yellowtail fish or to consult a doctor if you wish to have it during pregnancy.
It is generally safe to travel during pregnancy, except under few circumstances discussed below. Air travel during different trimesters of pregnancy It is safest to travel during second trimester of your pregnancy as the morning