 Very
effective at pregnancy prevention
- Use independent of intercourse
- Quick return to fertility
- Requires clinic visit for insertion and removal
- No STI protection
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Intrauterine devices (IUDs) are very effective for preventing
pregnancy. The widely used copper IUD is effective for up to
10 years. The levonorgestrel intrauterine system, or Mirena
IUS, releases the progestin levonorgestrel through an IUD and
is effective for up to five years. Both methods have a pregnancy
rate of less than 1 percent.
IUD use is independent of sexual intercourse, and fertility
returns quickly upon removal. An IUD must be inserted and removed
by a trained provider, requiring a clinic visit and a pelvic
examination. This may be a barrier to some young women. IUDs
do not offer any protection against STIs, including HIV.
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