Blood in the nose in mid-pregnancy may be related to changes in the hormone level of pregnant women during pregnancy, which may easily lead to dilatation of nasal blood vessels and easy blood leakage from the vessel walls. In addition, this symptom may also be related to nasal dryness, fire and nasal inflammatory diseases. 1. nasal dryness: a common cause of nasal blood in the nose in mid-pregnancy is nasal dryness, because nasal dryness can easily lead to rupture of the internal tissues of the nasal cavity, resulting in symptoms of nasal blood, which affects health. 2. chronic rhinitis: chronic rhinitis can also lead to symptoms of nasal blood in mid-pregnancy, mainly This is because chronic rhinitis can easily lead to serious damage to the nasal tissue and cause discomfort. In addition, the rise in blood pressure during pregnancy, frequent late nights, poor rest, poor sleep, easy fire and other factors, also easy to appear this performance with blood. In general, it is recommended that pregnant women first go to an ENT clinic to check the nasal cavity to rule out the possibility of other diseases. If the bleeding is caused by factors such as dryness of the nasal mucosa, clinically you can do nasal rinse treatment with saline under the guidance of a doctor to keep the nasal cavity moist, and basically there are no side effects. If the patient is not allergic, he can use fragrant oil drops into the nasal cavity to keep the nasal cavity lubricated and avoid bleeding of the nasal mucosa.