noun
- Plural of levonorgestrel; a synthetic progestin used in hormonal contraceptives and emergency contraception.
Usage: medical/pharmaceutical; typically used in technical or clinical contexts
Examples
- Levonorgestrels are commonly found in birth control pills and intrauterine devices.
- The emergency contraceptive contains high doses of levonorgestrels to prevent pregnancy.
- Different formulations of levonorgestrels are used in various contraceptive products worldwide.
- Levonorgestrels work by altering the uterine lining and cervical mucus to prevent fertilization.