Contraceptive implant

Insertion of a contraceptive implant into a young woman's arm

Removal of a contraceptive implant from a young woman's arm

A contraceptive implant is a type of birth control. It is a small flexible tube measuring about 40mm in length which is inserted under the skin (typically in the upper arm) by a health care professional. The implant is among the most effective birth control methods. After it is inserted it prevents pregnancy by releasing hormones that prevent ovaries from releasing eggs and by thickening cervical mucous. The implant can prevent pregnancy for up to three years. Though it protects against pregnancy, it does not protect against STIs. The costs for implantation range. Brands include:

• Norplant and Jadelle (Norplant II)
• Implanon/Nexplanon
• Sino-implant (II) marketed as Zarin, Femplant and Trust

Side effects

Positive

• Women have fewer, lighter periods.
• 30% Women have no more bleeding periods (sign of total efficacy).
• Lasts for up to 3 years (less if overweight).
• Can be used while breastfeeding.
• May lessen typical PMS symptoms.

Negative

For many women, these are not a problem. It is always possible to remove the implant and switch to another form of birth control if the side effects become a problem.

• Irregular bleeding for the first 6–12 months.
• Change in appetite, depression, moodiness, hormonal disbalance and sore breasts.
• Weight gain, dizziness, pregnancy symptoms, lethargic feeling.

See Also

• Intrauterine device
• IUD with copper
• IUD with progestogen