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Etonogestrel is a medication which is used as a means of birth control for women. [4] [5] [12] [13] It is available as an implant placed under the skin of the upper arm under the brand names Nexplanon and Implanon.
A contraceptive implant is an implantable medical device used for the purpose of birth control.The implant may depend on the timed release of hormones to hinder ovulation or sperm development, the ability of copper to act as a natural spermicide within the uterus, or it may work using a non-hormonal, physical blocking mechanism.
Hormonal intrauterine devices are sold under the brand names Mirena, Skyla, Liletta, and others. [14] Nonhormonal intrauterine device with copper are sold under the brand names copper-T and Paraguard. [14] Subdermal contraceptive implant are sold under the brand names Naxplanon, Implanon, Norplant, Jadelle, and others. [14]
Levonorgestrel-releasing implant, sold under the brand name Jadelle among others, are devices that release levonorgestrel for birth control. [1] It is one of the most effective forms of birth control with a one-year failure rate around 0.05%.
Currently available methods can only be used by women; the development of a male hormonal contraceptive is an active research area. There are two main types of hormonal contraceptive formulations: combined methods which contain both an estrogen and a progestin , and progestogen-only methods which contain only progesterone or one of its ...
For example, a failure rate of 20% means that 20 of 100 women become pregnant during the first year of use. Note that the rate may go above 100% if all women, on average, become pregnant within less than a year. In the degenerated case of all women becoming pregnant instantly, the rate would be infinite.
This is who is affected by abortion legislation.
Jean Marian Purdy was born in Cambridge on 25 April 1945. [5] She attended Cambridgeshire High School for Girls between 1956 and 1963 where she became a prefect, joined sports teams and played violin in the orchestra. She trained to be a nurse at Addenbrooke's Hospital in Cambridge. [6]