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Compare Birth Control methods

Browse every side-by-side birth control comparison, or select methods from the list to compare your own combination.

Side-by-side comparison

Method
Copper IUD

Copper IUD

A small copper device placed in the uterus that works for up to 10 years and is over 99% effective.
Second Method

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Efficacy99.2% typical use

Most effective: over 99 out of 100 people successfully prevent pregnancy per year.

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Cost$0–$1,424

Insurance: Usually

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DurationUp to 10 years—
ReversibilityReversible—
STI ProtectionNo—
How it works

Releases copper ions into the uterus that make the environment toxic to sperm and may prevent implantation if fertilization occurs.

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PrescriptionRequired Prescription required—
Side effects
  • Heavier or longer periods (especially first few months)
  • Increased cramping
  • Spotting between periods
  • Small risk of uterine perforation at insertion
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Who shouldn't use this
  • Active pelvic infection or PID (FDA label)
  • Uterine anomaly preventing insertion (FDA label)
  • Wilson's disease (copper metabolism disorder) (FDA label)
  • Known copper allergy (FDA label)
  • Current pregnancy (FDA label)
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