I did well with mine - 2 @ 6 yrs each time. no problems at all.

[[Most healthy women can use an IUD, including younger women who have not had children. Your health care provider will help you decide if the IUD is right for you.
You should not use an IUD if you

* have had a pelvic infection following either childbirth or an abortion in the past three months
* have or may have a sexually transmitted infection or other pelvic infection
* think you might be pregnant
* have cervical cancer that hasn't been treated
* have cancer of the uterus
* have unexplained bleeding in your vagina
* have pelvic tuberculosis
* have a uterine perforation during IUD insertion]]
http://www.plannedparenthood.org/hea...-iud-19274.htm