Love mother ring is more commonly used in clinical a kind of intrauterine birth control ring, love mother birth control ring costs about 400-500 yuan, it is best to go to the regular hospital on the ring, the ring also need to carry out routine blood, routine examination of leukorrhea, which also need 100 yuan of costs, in addition to different hospital charges also have differences, so the specific cost can not be determined, it is best to go to the local hospital for consultation. The IUD is more effective because it is not easy to fall off and shift, and it can interfere with the fertilization of the egg and kill the sperm, so that it can be used as a contraceptive. The IUD has a long service life, usually it can stay in the uterus for 15 years. It is best to choose 3-7 days after menstruation so as to minimize bleeding. After the IUD will appear abdominal pain, bleeding and so on, this is a side effect caused by the contraceptive ring, usually use for a period of time can disappear on their own.