The Inrauterine System (IUS):
This is a coil contraceptive and a hormonal contraceptive.
A doctor puts a small, progestogen (hormone) coated, plastic "coil" (sometimes called a Mirena) into the woman's womb. This hormone stops ovulation, makes the cervix mucus too thick for the sperm to swim through and thins the lining of the womb so an egg can't implant.
The IUD can prevent pregnancy but NOT STIs
Advantages:
Can be left in up to 5 years
Don't have to worry about contraception while it's in
It can make periods lighter
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Does It Work?
It is over 99%
effective
(Less than 1 in 100 women
using it will still get pregnant)