Yellowish and thick discharge in late pregnancy can be caused by hormonal stimulation and vaginal inflammation. 1. Hormonal stimulation: the hormone level in the pregnant woman’s body further increases in late pregnancy, and vaginal secretions will also increase. If the leukorrhea is exposed to the outside world for a longer period of time, the leukorrhea may deepen in color, yellowing, etc. If there is no obvious odor, itching and other sensations, generally do not need to be dealt with, keep the vulva clean. 2. Vaginal inflammation: During pregnancy, the resistance of pregnant women decreases, which can easily lead to the occurrence of vaginitis. Vaginal secretions increase, yellow and thick, odor, accompanied by vaginal itching and other discomforts, you need to go to the hospital for vaginal secretion examination, to clarify the cause of the disease, targeted treatment. Pregnant women need to pay attention to their own changes, if there is any abnormality, you need to consult a doctor for examination, to protect the normal development of the fetus.