IUDs have been around for several decades. They have improved greatly over the last 20 years and are the preferred method of contraception among female health care providers for themselves. There are two main IUDs used in the United States: 1). Paraguard (Copper-T IUD) that is good for 10 years and contains copper and no hormones and 2). Mirena (progesterone IUD) that is good for 5 years and contains progesterone.
How do they work?
They are thought to work as barriers and irritants to sperm (preventing the sperm getting to the egg) as well as creating an inflammed and thin uterine lining preventing implantation of the egg into the uterine lining.
How are they placed?
They are placed into the uterine cavity through the cervix in the office. There is some discomfort with this procedure but generally only ibuprofen is needed prior to insertion.
When are they placed?
At the end of a menses so that the cervix is open and placement is easier. This also assures that one is not pregnant at time of placement.
Who are good candidates for IUDs?
You might choose an IUD if you:
Who should not use IUDs?
Other important factors about IUDs:
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