It is normal to have leukorrhea when you are newly pregnant, the amount of which is more than usual, though it is not accompanied by changes in color or texture. Leukorrhea is a mixture of vaginal mucous membrane exudate, cervical canal and endometrial gland secretion, normal leukorrhea is white egg white, moderate amount, no odor, the formation of leukorrhea and estrogen level is related, before menstruation and pregnancy, due to the rise of estrogen level, the amount of leukorrhea increased is a normal physiological phenomenon. However, if the increase in leukorrhea after pregnancy is accompanied by changes in color, such as yellowish-green or grayish-white, and changes in character, such as soya bean dregs, foamy, pus-like, accompanied by a foul smell, etc., then it is an abnormal phenomenon, and at this time there is inflammation of the vagina, which should be examined by the vaginal secretion, and then choose the appropriate medication for treatment of vaginal medication, and the vaginal environment changes due to the change of the hormone level in the period of pregnancy, which may easily trigger vaginal inflammation. The vaginal inflammation is easily induced by the change in hormone levels during pregnancy, and it is important to pay attention to the hygiene of the vulva and to keep it clean and dry.