With the ring less than 7 days together is usually not a big problem, if there is pain in the lower abdomen or vaginal bleeding, you can apply antibiotics to prevent infection and hemostatic agents, such as cefaclor dispersible tablets, metronidazole tablets, caffeic acid tablets, etc., the specifics of the need to comply with the doctor’s instructions. After placing the IUD, women will have uterine bleeding due to the stimulation of the uterine lining, which lasts for 3-7 days, and they need to rest for 3 days and forbid coitus for 2 weeks. If you have intercourse less than 7 days after placing the IUD and have no lower abdominal pain or vaginal bleeding, it is usually not a big problem. If there is pain in the lower abdomen, odor in the leukorrhea or vaginal bleeding after coitus, it is considered that coitus causes inflammation of the reproductive tract, such as cervicitis and endometritis. Antibiotics can be used to prevent infection and hemostatic agents such as Clorox dispersible tablets, metronidazole tablets and caffeic acid tablets and other medications. Women need to go to the hospital one month after placing the IUD to find out whether the position of the IUD is normal, and if there is pain in the lower abdomen or vaginal bleeding after placing the IUD, they need to go to the hospital in time, and the specific medications need to be used under the guidance of the doctor.