The IUD can be used for intercourse after 2 weeks, but if you are not feeling well, you should postpone the intercourse time. Contraceptive ring is mainly placed in the uterine cavity of a contraceptive device, patients need to pay more attention to personal hygiene after the IUD, 2 weeks shall not be bath and coitus, in order to avoid infection, and most patients can be considered in 2 weeks after coitus. At the same time, patients also need to pay more attention to rest, avoid physical exertion, so as to avoid bleeding or ring off the situation. And patients in the IUD, but also need to actively regulate the diet, appropriate increase in nutrition, you can eat some iron rich food, such as pig liver, eggs, etc., and pay close attention to their own state, if there is a significant prolongation of the menstrual period, lumbar pain, abdominal pain, etc., you need to consult a doctor in a timely manner to check and treat, this time is not recommended coitus. In addition, after the implantation of the IUD, patients need to be rechecked after the first menstrual period, and rechecked 3 to 6 months and 12 months after the implantation of the IUD, and rechecked once a year thereafter.