IUD
IUD 缩略自： intrauterine device
单语范例（未经PONS编辑处理）
While nulliparous women (women who have never given birth) are somewhat more likely to have side effects, this is not a contraindication for IUD use.
en.wikipedia.org The copper IUD can also increase cramps during a womans period.
en.wikipedia.org These rates are comparable to tubal sterilization, but the effects of the hormonal IUD are reversible.
en.wikipedia.org He predicted this would reduce rates of IUD expulsion.
en.wikipedia.org Before placement of an IUD, a medical history and physical examination by a medical professional is useful to check for any contraindications or concerns.
en.wikipedia.org