Early pregnancy will have leukorrhea, after pregnancy hormone level changes, estrogen and progesterone levels rise, causing the vaginal mucosa softens, creases increase, vaginal shedding cells and secretions are also increased, secretions under normal circumstances, white paste, not accompanied by vulvar itching odor and other symptoms. Vaginal epithelial cells containing glycogen content increased, lactic acid content increased, acidity enhanced, conducive to the prevention of infection, not conducive to the growth of pathogenic bacteria. If there is itching and odor, the color of the secretion is abnormal, indicating that the normal environment of the vagina is destroyed to cause inflammation, you need to pay attention to hygiene, to keep the vulva clean and dry, do not wear over the tight-fitting clothes, wear cotton, loose, breathable underwear, and change it often. If the itching is serious, pay attention to hygiene does not improve, you need to check the leukorrhea routine, to see if there is vaginitis and the type of inflammation, if necessary, under the guidance of the doctor to use medication.