levonorgestrel implant


Also found in: Wikipedia.

levonorgestrel implant

(lēv´ənorjes´trəl),
n brand name: Norplant System;
drug class: contraceptive system;
action: as a progestin, transforms proliferative endometrium into secretory endometrium; inhibits secretion of pituitary gonadotropins, which prevents follicular maturation and ovulation;
use: prevention of pregnancy.
References in periodicals archive ?
Approved by the Food and Drug Administration in July, Implanon is the first long-term implantable contraceptive to become available in the United States since 2000 when Wyeth stopped marketing Norplant, the six-rod levonorgestrel implant.
Another limitation of the study was the small number of participants using progesterone contraception: 38 HIV-infected women used DMPA and 48 used levonorgestrel implants.
For older women, levonorgestrel implants may be a better contraceptive option than progestin-only injections because they continuously release hormones in lower doses and for longer periods of time.