The phenomenon of increased leucorrhea will occur in the early stage of pregnancy because the trophoblast cells start to secrete blood HCG after the fertilized egg is laid, and the hormone level in the body starts to increase, under the effect of the hormone level, the cervical secretion and vaginal secretion will increase, however, the leucorrhea is still milky white, no odor or only a faint fishy smell, which is a normal physiological phenomenon after pregnancy. It is recommended to keep your vulva clean and change your underwear regularly. If the leukorrhea appears in the early stage of pregnancy and is accompanied by yellowish color of the leukorrhea or itching of the vulva and odor of vaginal discharge, it is an abnormal phenomenon, most of which is caused by local inflammation of the vagina, and it is recommended to have a routine laboratory examination of the leukorrhea and give the necessary clinical treatment according to the results.