The first thing to consider is that the dizziness is caused by anemia during pregnancy, so you should have a blood test to see if the hemoglobin is normal. You can adjust your diet by eating more fish, meat, eggs, milk, chicken liver, spinach, sea vegetables, etc. Another condition may also be dizziness and headache caused by increased blood pressure formed during pregnancy, which requires a checkup at the gynecology department of the hospital to monitor blood pressure. If the blood pressure is high, you can take oral antihypertensive drugs for adjustment to avoid damage to the fetus and the pregnant woman. You should usually drink more water, pay attention to rest, eat more fresh vegetables and fruits, and get more sunlight to improve your immunity.