long-acting reversible contraceptive

noun

plural long-acting reversible contraceptives

: a form of birth control (such as an IUD or contraceptive implant) that is usually inserted into and left in the body for an extended period of time (as for several years) : larc

… long-acting reversible contraceptives, known as LARCs, are about 20 times more effective than birth control pills …

—Jen Rini

This long-acting reversible contraceptive is a matchstick-size flexible plastic rod that a doctor inserts under the skin, usually in the upper arm, where it can prevent pregnancy for at least three years, at which time it should be replaced.

—Jane E. Brody

Word History

First Known Use

1985, in the meaning defined above

Medical Definition

long-acting reversible contraceptive

noun

: a form of birth control (such as an IUD or contraceptive implant) that is usually inserted into and left in the body for an extended period of time (as for several years) : larc