If you have headaches during pregnancy, you need to deal with them according to the specific causes of headaches: 1. Most of the headaches that occur in early pregnancy are normal physiological reactions, pregnant women should pay attention to adjusting their habits, resting on time, ensuring sufficient sleep, relaxing and avoiding excessive stress. 2. If you have headaches when you are about 20 weeks pregnant, you may have gestational hypertension syndrome and need to measure your blood pressure for a clear diagnosis. If you are suffering from gestational hypertension, you need to take reasonable medication under the guidance of your doctor, pay attention to a light diet, get enough rest and actively control your blood pressure. 3, some pregnant women have cervical spine lesions due to prolonged head down, which leads to headache symptoms, in this case, pregnant women need to adjust their lifestyles, do a moderate amount of physical exercise every day and move their upper limbs more to promote local blood circulation.