Definition of levonorgestrel in English:
noun[mass noun] Biochemistry
A synthetic steroid hormone which has a similar effect to progesterone and is used in some contraceptive pills.
- We have Progestasert (a progesterone IUD), which is still available as well as the newer Mirena, which relies on the hormone levonorgestrel, a synthetic progesterone.
- Plan B uses a form of the synthetic hormone progestin, called levonorgestrel, to block ovulation and fertilization of the egg in a process similar to what happens with use of traditional birth control pills.
- It consists of the hormone levonorgestrel, a common ingredient in birth control pills.
1970s: from levo- (it being a laevorotatory isomer) + norgestrel, a synthetic steroid hormone.
Definition of levonorgestrel in:
- US English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Australia
Most popular in Malaysia
Most popular in Pakistan