Dizziness in pregnancy may be caused by changes in hormone levels in the pregnant woman’s body, low blood pressure, low blood sugar and other reasons. 1. Hormonal changes in the pregnant woman’s body: due to changes in hormone levels in the pregnant woman’s body during pregnancy, pregnant women in the early stages of pregnancy will appear early pregnancy reaction, dizziness is also one of the more common symptoms. This kind of dizziness will not be particularly strong, may also be accompanied by weakness and other symptoms. 2. Low blood pressure: some thin pregnant women, usually low blood pressure, pregnancy may have postural hypotension, lying position to standing position when the blood flow to the brain is reduced, resulting in insufficient blood supply to the brain, thus causing dizziness. 3. Low blood sugar: If a pregnant woman eats less, she may sometimes have hypoglycemic episodes and experience dizziness accompanied by palpitations and fatigue. If a pregnant woman experiences dizziness, it is recommended that she consult a doctor in a timely manner. Under the guidance of the doctor, the relevant examinations should be completed to clarify the cause of the disease and treat the symptoms.