The main side effect of the Gini ring is irregular vaginal bleeding, which may occur mainly due to increased menstrual flow, prolonged menstrual period or a small amount of spotting bleeding, which usually does not need to be treated. Symptoms are more obvious in 3-6 months after the placement of the ring, usually after 3-6 months, most people will gradually recover, a small number of patients after the placement of the Gini ring, may appear leukorrhea increased, accompanied by lower abdominal distension, that is, the appearance of lumbar pain, abdominal pain, and may even cause the symptoms of infection. Because the Gini ring also has a tail filament, so if you don’t pay attention to hygiene and cause vaginal inflammation, it may lead to an increased probability of upward infection through the tail filament, which can cause endometritis and even pelvic inflammatory disease. The main effect of the Ginu ring is to make the endometrium change, which is not conducive to the implantation of fertilized eggs, and to make the cervical mucus thicker, which is not conducive to the penetration of sperm, and the effectiveness of contraception reaches more than 95%.