Photo Illustration by Mia Tramz for TIME; Corbis
June 17, 2015 12:01 PM EDT

Teen birth and pregnancy rates are at a record low, possibly due to teens use of better birth control methods. Do you know how effective your birth control is?

Birth control methods vary widely in terms of effectiveness and duration of use. People choose their methods for a wide variety of reasons, but recent data shows that when women are informed and counseled about different forms of contraceptives, they tend to opt for the most effective types and unintended pregnancies drop. Typical use failure rates are used to determine effectiveness, and show the rate the method fails during “typical use,” which accounts of inconsistent or incorrect use of the method (think missing a pill or a broken condom).

Guess the typical use failure rates of the birth control options below:

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