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Implants
Time:2011/12/11 1:22:56          Click:4403          Source:zizhu-pharmFont Size:  

 

Key Points

Implants are small flexible rods or capsules that are placed just under the skin of the upper arm.

Provide long-term pregnancy protection. Very effective for 3 to 7 years, depending on the type of implant, immediately reversible.

Require specifically trained provider to insert and remove. A woman cannot start or stop implants on her own.

Little required of the client once implants are in place.

Bleeding changes are common but not harmful. Typically, prolonged irregular bleeding over the first year, and then lighter, more regular bleeding or infrequent bleeding.

 

Introduction

l  Small plastic rods or capsules, each about the size of a matchstick, that release a progestin like the natural hormone progesterone in a womans body.

l  A specifically trained provider performs a minor surgical procedure to place the implants under the skin on the inside of a womans upper arm.

l  Do not contain estrogen, and so can be used throughout breastfeeding and by women who cannot use methods with estrogen.

l  Many types of implants:

Jadelle: 2 rods, effective for 5 years

Implanon: 1 rod, effective for 3 years (studies are underway to see if it lasts 4 years)

Norplant: 6 capsules, labeled for 5 years of use (large studies have found it is effective for 7 years)

Sinoplant: 2 rods, effective for 5 years

l  Work primarily by:

Thickening cervical mucus (this blocks sperm from meeting an egg)

Disrupting the menstrual cycle, including preventing the release of eggs from the ovaries (ovulation)

 

All information from WHO-handbook of family planning

 
 
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