What is the principle of the intrauterine device (IUD)?

Patient's question:

Regarding how long it takes to resume sexual activity, there have been previous responses from doctors, but the answers vary, with some saying one week and others saying one month! What is the principle of using an IUD for contraception? Looking forward to your reply! Thank you!!

Doctor's answer:

Hello, the principle of the intrauterine device (IUD) for contraception is that the device affects the implantation of the fertilized egg or blastocyst, preventing it from implanting. After inserting the IUD, it is best to wait one month before resuming sexual activity. The ideal time for inserting the IUD is generally 3-7 days after the menstrual period has ended. It can be placed after natural miscarriage, 3 months after a full-term delivery, or 6 months after cesarean section. Women who experience postpartum amenorrhea must first rule out pregnancy before insertion. Generally, it is recommended to rest for 2 days after the procedure, avoid heavy physical labor within a week, and refrain from tub baths and sexual intercourse for 2 weeks. Within the first 3 months, pay attention to whether the IUD has fallen out during the menstrual period or when defecating, and follow up regularly.

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