Norplant implant insertion

Levonorgestrel-releasing implant is 99– effective at preventing pregnancy, and is one of the most reliable, though not the most available, forms of birth control. Levonorgestrel-releasing implant prevents pregnancy through multiple methods: by preventing ovulation, which means that no eggs are released for fertilization; by thickening the mucus of the cervix, which prevents sperm from entering; and by thinning the lining of the uterus, which makes implantation of an embryo less likely.

The way in which levonorgestrel-releasing implant causes these effects is by use of hormones. A small amount of the hormone progestin is released through the capsules continuously, more during the first year and a half, but then at a level similar to most contraceptive pills afterward. Like all hormonal contraception, levonorgestrel-releasing implant does not protect against sexually transmitted infections.

Implantable contraceptives are especially effective in the developing world, as they do not require daily administration or access to a hospital to be effective. In addition, no continual contraceptive supplies (pills, condoms, etc.) are necessary, and it is a highly effective, low cost contraceptive over the long term.
Birth control
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