The T-ring is made of plastic, so it can only be worn for 5 years in clinical practice. After 5 years, the ring will lose its contraceptive effect, and because it is plastic, it may be deformed, so it should be removed in time after the expiration date. If you need to continue contraception, you can replace the IUD with a new one, and it is recommended that the IUD be removed 3-7 days after menstruation, and the IUD can be inserted at the same time. There are more types of birth control rings, currently there are Gong Xi ring, memory ring, Gini ring, Zhi Mei ring, the contraceptive effect are very good, it is recommended to adopt, the validity can be up to 10 years, if you want to continue to contraception, and then replace the birth control ring.