noun
definition
A synthetic progestogen used as an active ingredient in some hormonal contraceptives.
Examples of levonorgestrel in a Sentence
Levonorgestrel is the only hormone in Plan B; estrogen is not present in this form of emergency contraception.
Alesse birth control pills are a combination estrogen (ethinyl estradiol) and progesterone (levonorgestrel) pill.
It contains the ethinyl estradiol and levonorgestrel, two forms of the female hormones estrogen and progesterone.
The emergency pill contains a hormone called progestin levonorgestrel.
It's been reported that pregnancy occured for 1 out of 1000 women with the Levonorgestrel (LNg) intrauterine device.
The Mirena levonorgestrel-releasing intrauterine system contains levonorgestrel, which is similar to progesterone.
Period changes are caused by the levonorgestrel that the Mirena releases, which does not allow the uterine lining to get as thick as normal.