The great aunt is clinically known as menstruation. An IUD can usually be placed 3-7 days after your period has cleared. The IUD is a contraceptive device placed in the uterine cavity. It is best to place the IUD 3-7 days after the menstrual period is clean. If you have acute pelvic inflammatory disease, acute vaginitis, severe cervical erosion, menorrhagia and other patients, it is not suitable to place IUD. Generally, the metal IUD can be placed for 8-10 years, the plastic IUD for 3-5 years, and the drug-containing IUD for 1 year, and can be replaced with a new IUD immediately after removal. After placing the IUD, you should rest for 1-2 days, and don’t do too heavy physical labor for a week, so as not to cause the IUD to fall off and bleed. Pay attention to daily hygiene to avoid infection. do not take a bath or have sex within 2 weeks to avoid infection.