In early pregnancy, nose bleeding, there are more possible causes, here are some examples of the most common clinical conditions: 1, hormone levels: during pregnancy, the hormone levels of pregnant women have changed, hormone levels may cause the blood vessel walls become brittle and prone to rupture, resulting in nose bleeding phenomenon, usually can quickly improve, observation can be; 2, dry nasal mucosa: during pregnancy, it is easy to emotional anxiety, poor sleep, poor rest, resulting in nose bleeding. Poor sleep, poor rest, resulting in dry nasal mucosa, resulting in nose bleeding; 3, increased blood volume: due to pregnancy caused by the increase in blood volume of the pregnant woman, so that the systemic vascular pressure increases, it is easy to have too much pressure, compression of the nasal mucosa vessels, thus causing nose bleeding phenomenon. You can use a humidifier to increase the humidity of the air and use saline drops to keep the nasal cavity moist under the guidance of a doctor to prevent the nasal mucosa from bleeding again. If nose bleeding occurs frequently, promptly go to the hospital for examination to rule out thrombocytopenia or coagulation dysfunction.