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. Author manuscript; available in PMC: 2017 Apr 1.
Published in final edited form as: Am J Obstet Gynecol. 2015 Nov 4;214(4):499.e1–499.e6. doi: 10.1016/j.ajog.2015.10.928

Table 1.

Accurate and Inaccurate Advantages and Disadvantages of Intrauterine Devices (N= 105)

N (%)
Accurate Advantages Long-acting 96 (91)
Highly effective 86 (82)
Decreased menses (hormonal IUD) 72 (69)
Reversible 71 (68)
Do not need to remember to use regularly 48 (46)
Does not contain hormones (copper IUD) 42 (40)
Do not need to do anything at time of sex 34 (30)
Safe 32 (30)
Can be used as emergency contraception (copper IUD) 30 (29)
Safe to use while breastfeeding 30 (29)

Accurate Disadvantages Requires appointment with healthcare provider or exam to start method 94 (90)
Does not protect against STIs 70 (67)
Irregular bleeding or spotting 64 (61)
Longer or more painful periods (copper IUD) 59 (56)
Cramping at insertion 56 (53)
Frequent or unpredictable bleeding (hormonal IUD) 44 (42)
No periods (hormonal IUD) 41 (39)
Expensive 25 (24)

Inaccurate Disadvantages Increases the risk of pelvic inflammatory disease (other than first month after insertion) 28 (27)
Decreases fertility or causes infertility 15 (14)
Increases the risk of sexually transmitted infections 3 (3)

IUD – intrauterine device; STI – sexually transmitted infections