Itchy vulva in late pregnancy and normal leukorrhea routine is considered to be the increase of vaginal secretion, inappropriate underwear, pubic lice disease and so on. 1. Increased vaginal secretions: women in late pregnancy, due to elevated levels of hormones in the body, will cause an increase in vaginal secretions, increased secretions will stimulate the vulvar area caused by vulvar itching. 2. Inappropriate underwear: If you are allergic to the underwear you wear during late pregnancy, or if you wear chemical fiber underwear for a long period of time, it will lead to the lack of breathability of the vulvar area, which will also cause local itching. 3. Pubic lice disease: Pubic lice is a parasite, mainly in the pubic hair area, will bite the skin, causing skin itching, usually there are red rashes and ecchymosis and other symptoms, itching will be more serious at night. Late pregnancy vulvar itch leukorrhea routine and normal to pay attention to personal hygiene, strengthen the care, if the adjustment of a period of time did not relieve, you should communicate with the doctor in time, and on time pregnancy examination.