Leukorrhea secretion during pregnancy varies from person to person, and the absence of leukorrhea is normal. Although in most cases, after pregnancy, estrogen in the body with the month of pregnancy and gradually increase, will promote the cervix and endometrial glands secretion of mucus, at the same time, blood flow, tissue moisture increases, resulting in increased secretion, leukorrhea is gradually increased. However, if the acidity and alkalinity of the vagina is appropriate after pregnancy, the vaginal flora is in a state of dynamic balance, there is no pathogenic bacterial infection, and there is no bacterial metabolism produced by the spoilage products, and will not secrete excessive leukorrhea, this situation will not affect the health of pregnant women as well as the fetus. Pregnant women who do not have leukorrhea or have increased leukorrhea do not need to worry too much, and they can just go to the maternity checkups on time. However, you need to pay attention to abnormal leukorrhea, such as leukorrhea with color change, odor, you need to be vigilant about related disease factors, such as ectopic pregnancy, cervical erosion, cervical polyps can be manifested as brown leukorrhea, vaginitis can be manifested as grayish-white or grayish-yellow leukorrhea, you need to consult the doctor for examination in a timely manner, to determine the cause of the disease and then symptomatic treatment. In daily life, pay attention to personal hygiene, change underwear regularly, and disinfect cleaning supplies on time to reduce bacterial infection.