A high total number of monocytes in early pregnancy may be caused by pregnancy stress, infectious diseases or allergies, which need to be analyzed specifically. 1. Pregnancy stress: some pregnant women during pregnancy, due to pregnancy is a relative stress reaction, this stress reaction will lead to the absolute value of monocytes is high, this situation may continue throughout the pregnancy, but generally will not affect the normal pregnancy. 2. Infectious diseases: high total number of monocytes in early pregnancy may be caused by tuberculosis and other pathogenic infections, in which case, the pregnant woman may also be accompanied by other abnormal symptoms such as low-grade fever. 3. Allergy: high monocyte count in early pregnancy may also be caused by allergic reactions, in which case, the pregnant woman may also be accompanied by other abnormal symptoms such as skin itching. High monocyte count in early pregnancy may also be other reasons, once the pregnant woman found her monocyte count in early pregnancy is high, you need to consult a doctor in a timely manner, under the guidance of the doctor to improve the relevant examination after targeted treatment and therapy.