Yellow discharge in early pregnancy, the reasons are as follows: First, because women in pregnancy, the body’s progesterone secretion increase will lead to an increase in leucorrhea secretion, not timely cleaning appears yellow discharge. Second, suffering from vaginal inflammation, cervical inflammation caused by, if the discharge is no odor and vulvar itching, pay attention to keep the vulva clean and hygienic, daily before bed with warm boiled water to wash the vulva can. If there is more yellow discharge with vulvar itching and odor, most of them are combined with vaginitis. It is better to go to the hospital for a routine leucorrhea test, and according to the results of the routine leucorrhea test, treatment with lotion and anti-infective medication should be placed in the vagina to avoid incomplete treatment of vaginitis secondary to uterine cavity infection, which may affect the growth and development of the fetus in the uterus.