Portcullis Surgery

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Contraception Effectiveness

Contraception Effectiveness

Some methods of contraception are more effective than others.

Contraception is less effective if not used correctly all the time.

Incorrect use (also called typical use) includes things like missing a pill, a condom coming off during sex or forgetting to replace a vaginal ring.

This page lists the methods in order of how well they work if used correctly all the time, starting with the most effective first.

As you can see the most effective methods of contraception are Long Acting Contraceptive methods (commonly known as LARCS) such as the implant, coil or injection. 

For more information about contraceptive methods visit the NHS website https://www.nhs.uk/contraception/methods-of-contraception/

Who can fit or offer a LARC (Long Acting Contraception) at Portcullis Surgery?

At Portcullis we have now 3 clinicians ( Dr Catherine Beanland, Dr Jenny Hartley and Dr Sally Wood) who can fit implants and 2 clinicians ( Dr Beanland and Dr Wood) who can fit coils. Dr Beanland is also a trainer for contraceptive methods and often has Trainee Doctors present in her clinics.

For more information and consent for Implant book a telephone call or appt Dr Catherine Beanland, Dr Jenny Hartley or Dr Sally Wood or follow the link https://portcullis-surgery.co.uk/consent-for-nexplanon-insertion-or-removal/

For more information about Depo injections simply book a tel call or an appointment with one of our Practice Nurses Jo or Heidi and they will book you in.

For more information and consent for Mirena coil book a telephone call or appt Dr Catherine Beanland or Dr Sally Wood or follow the link https://portcullis-surgery.co.uk/consent-for-mirena-coil/

For more information and consent for Copper coil book a telephone call or appt Dr Catherine Beanland or Dr Sally Wood or follow the link https://portcullis-surgery.co.uk/consent-for-copper-coil/ 

How effective each method of contraception is at preventing pregnancy
Method Correct use Incorrect or typical use

Contraceptive implant

Over 99%

Over 99%

IUS (hormonal coil)

Over 99%

Over 99%

IUD (copper coil)

Over 99%

Over 99%

Contraceptive injection

Over 99%

94%

Combined pill

Over 99%

91%

Progestogen-only pill

Over 99%

91%

Contraceptive patch

Over 99%

91%

Vaginal ring

Over 99%

91%

Condoms

98%

82%

Internal (female) condoms

95%

79%

Diaphragms and caps

92 to 96% (estimate)

Unknown

Natural family planning

91 to 99% (estimate)

76%

Opening Times

  • Monday
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  • Wednesday
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  • Thursday
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  • Friday
    08:30am to 06:00pm
    6.30-9.30pm One Friday a month Bookable in advance appointments only.Call 111 for advice OOH
  • Saturday
    CLOSED
    9-5pm One Saturday a month Bookable in advance appointments only.Call 111 for advice OOH
  • Sunday
    CLOSED
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