There is no such thing as the best and safest birth control ring, just choose the right one for your situation. The IUD is a metal or other material ring implanted in the female genitalia for birth control and does not affect sexual life. Clinically, there are metal rings and plastic rings, metal rings can be placed for a longer period of time, about 10 to 15 years, while plastic rings are less elastic, less supportive, easy to deform and fall off, most can be placed for 5 years, the patient can choose reasonably according to their own situation. It is more suitable to place the ring 3~7 days after menstruation. After the operation, you need to pay attention to rest, and a small amount of vaginal bleeding and increased leukorrhea may occur within 7 days, and most of them can disappear on their own. It is recommended to choose the IUD reasonably according to your situation under the guidance of your doctor and take good care of yourself.