
What is an implant?
An implant is a hormonal method of birth control that consists of match-sized plastic rods inserted just underneath the skin in the upper arm. The rods release a constant dose of a progestin which creates the contraceptive effect.
How does it work?
The implant releases the single hormone progestin which stops ovulation and acts on the lining of the uterus walls and on the mucus at the entrance of the cervix making it difficult for sperm to get through.
How effective is it?
Modern implants are considered to be the most effective form of contraception available. Once in place implants will last for a period of 3-5 years or until it is removed. Although no contraceptive method is 100% proof, implants are just as or even more reliable than sterilization.
Are there side effects?
The implant can be associated with some unwanted effects but these usually end within three months of use. These may include:
Headache
Headaches may occur but this side effect is rare. If headaches are severe or persistent, contact your doctor.
Menstrual bleeding irregularities
Implants will change your periods. Usually, there will be less or even no bleeding days but if bleeding occurs it will be irregular.
Weight change
Weight gain varies among individuals. Some women will gain weight, others will lose weight. Usually the weight changes are small. Watching what you eat and getting adequate exercise may help when you are experiencing weight gain.
Depression, ovarian cysts and breast tenderness
These side effects have been reported with the implant, but are extremely rare.
Are there benefits to the implant?
Yes. These include:
- you do not have to remember to take a daily pill
- you do not have to plan when to have sex
- you are protected against pregnancy for 3-5 years
- implants are considered to be a safe contraceptive option
The implant also offers a number of non-contraceptive health benefits such as:
- lighter or less frequent periods (or sometimes no periods at all)
- no estrogen-related side effects
You may NOT be a good candidate for the implant if you:
- are afraid of even small surgical procedures (this is necessary for insertion and removal of implant)
- might be pregnant
- suffer from vaginal bleeding other than your normal periods
What if I want to become pregnant?
No need to worry, you may have the implants removed at any time. Watch out, your fertility will return quickly!
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