In the early stages of pregnancy, there is usually no odor down there, only an increase in secretion. In the early stage of pregnancy, the level of hormones secreted by the ovaries starts to rise, and the metabolism of the female body is more vigorous, so the secretion of leucorrhea may increase, and because it cannot be excreted in time, the phenomenon of odor from the vulva may occur. By washing the vulva daily, changing and wearing loose underwear, and keeping the area clean and hygienic, the odor will gradually ease and disappear. In addition, women should not eat cold, spicy or stimulating food in the early stage of pregnancy. If the odor is heavy or the vulva is itchy, it is usually combined with vulvovaginitis or vaginitis, it is best to test the leucorrhea under the guidance of a doctor and use the appropriate lotion and anti-inflammatory and anti-infective drugs for treatment according to the results of the leucorrhea test.