Contraception Options and Information

Implant

FAILURE RATE

2| 1,000WOMEN(number of pregnancies after one year of use)¹

6-8| 1,000WOMEN(number of pregnancies after one year of use)¹

2-60| 1,000WOMEN(number of pregnancies after one year of use)¹

< 1| 1,000WOMEN(number of pregnancies after one year of use)¹

ADMINISTRATION

Placement in womb²

Placement in womb³

Injection in arm or buttock⁴

Placement under the skin of arm⁵

LENGTH OF PROTECTION

Up to 5 years¹

Up to 5 to 10 years, depending on model^3,6

12 weeks⁵

Up to 3 years¹

RETURN TO FERTILITY

No delay⁷

Possible delay of up to 1 year following treatment cessation⁷

No delay⁷

MENSTRUAL BLEEDING

Initially periods may be lighter or heavier, longer or shorter or absent.²
Infrequent or absent periods likely after several months.²

Bleeding and spotting days may increase in first few months.³
Bleeding may be heavier.³

Irregular and possibly lengthy bleeding or spotting or no bleeding at all.⁴

Periods may become more or less frequent, continuous or absent.⁵
May reduce or increase in intensity or duration.⁵

BODY WEIGHT

No effect⁷

May cause weight gain of 2.3 – 3.6 kg in the first year^4,7

No effect⁷

USE DURING BREASTFEEDING

Yes²
6 weeks after birth²

Yes³
6 weeks after birth³

Yes⁴
6 weeks after birth⁴

Yes⁵
4 weeks after birth⁵

HEAVY PERIOD TREATMENT

Yes⁸

No³

No⁴

No⁵

USE IN ESTROGEN THERAPY

Yes – May be used in conjuction with estrogen as hormonal replacement therapy (HRT)⁸

No – Not recommended for use as hormonal replacement therapy (HRT)³

No – Not recommended for use as hormonal replacement therapy (HRT)⁴

No – Not recommended for use as hormonal replacement therapy (HRT)⁵

Go to Intrauterine System IUS

Go to Intrauterine Device IUD

Go to Injection

Go to Implant

^{1. Trussell J. Contraceptive failure in the United States. Contraception 83 (2011) 397–404. 2. Package leaflet: information for the user. Mirena: Corporate Patient Information. Bayer Schering Pharma. January, 2011. 3. Nova T –
Copper Containing Intrauterine Device. Patient Information. Bayer Schering Pharma AG, November 2008. 4. Depo-Provera patient information leaflet. Pharmacia. August 2010. 5. Nexplanon – information for the user. Patient
Information. July 2010. http://www.nexplanon.co.uk 6. Paragard T380A Prescribing Information. Duramed Pharmaceuticals, INC. 2006. http://www.paragard.com 7. Long-acting reversible contraception – the effective and
appropriate use of long-acting reversible contraception. National Collaborating Centre for Women’s and Children’s Health. Commissioned by the National Institute for Health and Clinic Excellence, October 2005. Published by
RCOG Press. ISBN 1-904752-18-7. 8. Mirena: The intrauterine system. Product Monograph. Bayer Schering Pharma. 2009. ISBN 978-1-904667-09-4.}

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Always speak to your doctor or nurse for personal advice. Health information in this website is intended as general information only. It is not intended to replace a consultation with a healthcare professional, nor is it intended to provide specific medical advice.