Dizziness in pregnant women is commonly caused by: poor nutrition, poor rest, blood pressure problems, anemia, etc. 1. During pregnancy, due to changes in hormone levels and the need to supply nutrition to the fetus throughout pregnancy, symptoms of anemia often occur due to insufficient intake of iron-containing foods. When anemia occurs, the hemoglobin content in the blood decreases, and the symptoms of dizziness will occur at this time. 2, pregnant women are prone to hypotension during pregnancy as the fetus grows, and hypotension sometimes causes insufficient blood supply to the brain, which is likely to lead to dizziness, weakness of the limbs, pallor and so on. Therefore, it is necessary to measure blood pressure regularly during pregnancy. 3, in obese women, pregnancy is more likely to suffer from gestational hypertension, and the appearance of gestational hypertension can also lead to dizziness, edema, wheezing and other symptoms. 4, sometimes poor rest, emotional stress, severe pregnancy reaction, poor nutrition, etc. can occur dizziness. Therefore, during pregnancy, you should pay more attention to rest, avoid eating spicy and stimulating food, eat more food rich in protein and vitamins, and also need to do regular pregnancy checkups, and if you find discomfort, you need to go to the hospital for examination in time. Pregnant women who experience dizziness need to be treated promptly to avoid adverse effects on the fetus.