Yellow discharge in early pregnancy is an abnormal phenomenon, under normal circumstances during pregnancy, the vaginal discharge increased milky white, no odor or only a faint fishy smell. Yellow discharge is often caused by local inflammation of the vagina, it is recommended to do routine tests of the leukorrhea, if necessary to do high magnification of the leukorrhea routine tests, can be more comprehensive to avoid causing missed diagnosis of the situation, according to the results of the examination and then give the appropriate drug treatment. During pregnancy due to the increase in estrogen vaginal secretions will increase, the requirements of pregnant women must keep the vulva clean, in addition to changing underwear, it is recommended that the vulva should be washed once or twice a day to ensure that the local cleanliness to avoid pathogenic bacterial infections.