White discharge from the vagina (leucorrhoea) is the appearance of a thick white discharge from the genital slit. Often there is a secret with a sour smell. The symptom is often accompanied by intense itching and discomfort in the perineum, pain during intercourse. The occurrence of leucorrhoea can provoke natural causes, white discharge is also a sign of a fungal infection of the vagina, dysbiosis. To identify pathological conditions that cause leucorrhea, an examination with mirrors, ultrasound of the pelvic organs, and laboratory tests are performed. To eliminate the symptom, the underlying disease is treated.