Intrauterine Device (IUD)

Gynecology Services Shanghai - Intrauterine Device (IUD)

An Intrauterine Device (IUD) is a small object that is inserted through the cervix and placed in the uterus to prevent  pregnancy. A small string hangs down from the IUD into the upper part of the vagina. The IUD is not noticeable  during intercourse. IUDs can last 1–10 years. They affect the movements of eggs and sperm to prevent fertilization.  They also change the lining of the uterus and prevent implantation. IUDs are 98 – 99% effective as birth control.  They do not protect against reproductive tract infections, including HIV/AIDS.

Getting an IUD involves a clinic visit. To prevent infection, clinics require women to have check-ups prior to  insertion. This can include a full medical, pelvic, and breast exam, with a Pap smear, STD check, and pregnancy  test. If anything unusual is found, it is addressed before the IUD is inserted. After insertion, an IUD is effective  immediately.

Insertion

An IUD is usually inserted during a menstrual period when the cervix is slightly open and pregnancy is least likely. It  may be inserted at any time, however. The procedure for insertion takes about 5–15 minutes. Most women feel  cramping during and after insertion. Ibuprofen can help relieve cramping.