What is the incidence of cervical cancer?
In 2007, there were 2,276 new registrations of invasive cervical cancer in England1.
Cervical cancer incidence fell by 42 per cent between 1988 and 1997 (England and Wales). This fall is directly related to the cervical screening programme2.
There was a 25 per cent decrease in the incidence rate of cervical cancer for women under the age of 70 from 1990 to 1992. This has been attributed to a rapid increase in coverage of the cervical screening programme which occurred from 1989 onwards3.
In 2007, the age-standardised (European) annual incidence rate of cervical cancer in the UK is 8.4 per 100,000 females. This has decreased by 29 per cent since 19931.
Cervical cancer is the most common cancer in females under 35, with 702 new cases diagnosed in the UK in 20071.
Cervical screening saves approximately 4,500 lives per year in England4.
Cervical screening prevents up to 3,900 cases of cervical cancer per year in the UK5.
How many women die from cervical cancer?1
In 2008, 759 women died from cervical cancer in England.
Mortality rates generally increase with age with the highest number of deaths occurring in the 75-79 age group. Only about 7 per cent of cervical cancer deaths occur in women under 35.
Cervical cancer mortality rates in 2008 (2.4 per 100,000 females) are nearly 70 per cent lower than they were 30 years earlier (7.1 per 100,000 females in 1979).
The latest relative survival figures for England show that around 64 per cent of women diagnosed with cervical cancer between 2000 and 2001 were alive five years later.
For more detailed survival statistics, see Cancer Research UK.
This report has been produced by the National Cancer Intelligence Network in collaboration with Trent Cancer Registry and the NHS Cancer Screening Programmes. It highlights interesting and important findings about time trends, trends by age and deprivation, and regional variations in incidence, mortality and survival for invasive cervical cancer in England. It should be of interest to all those involved in the commissioning and delivery of services to prevent and treat cervical cancer.
This is a PowerPoint resource for those wishing to use the charts.
Profile of Cervical Cancer Powerpoint Presentation (PPT 2.8Mb)
What are the risk factors for cervical cancer?
The exact cause of cervical cancer is not known. However, it is known that:
- Some types of Human Papillomavirus, in particular HPV 16 and HPV 18, are found in over 99 per cent of cervical cancers. These are known as 'high risk' types. Other types (eg HPV 6 and HPV 11) cause genital warts. Those which cause genital warts do not place a woman at increased risk of developing cervical cancer. Other types of HPV appear to be harmless.
- The majority of sexually active women will come into contact with high risk HPV types at some time in their life. In most women, their body's own immune system will get rid of the infection without them ever knowing it was there. Only a minority who are positive for high risk HPV types will develop cervical abnormalities (CIN) which could develop into cervical cancer if left untreated.
- Women with many sexual partners, or whose partners have had many partners, are more at risk of developing cervical cancer. This is because their behaviour is more likely to expose them to HPV. However, a woman with only one partner could contract HPV if that partner has previously been in contact with the virus.
- Women who are immunosuppressed (for example, those who are taking immunosuppressive drugs after an organ transplant, or women who are HIV positive) may be at increased risk of developing cervical cancer.
- Women who smoke are about twice as likely to develop cervical cancer as non-smokers. This may be because smoking is associated with high risk health behaviours or because it suppresses the immune system allowing the persistence of high risk HPV infection. Stopping smoking appears to help clinical abnormalities to return to normal.
- Using a condom offers only very limited protection from transmission of HPV.
- Long term use of oral contraceptives increases the risk of developing cervical cancer but the benefits of taking oral contraceptives far outweigh the risks for the majority of women.
- Women with a late first pregnancy have a lower risk of developing cervical cancer than those with an early pregnancy. The risk rises with the number of pregnancies.
Despite the risk factors, cervical screening can prevent around 75 per cent of cancer cases in women who attend regularly. Screening is one of the best defences against cervical cancer. Many of those who develop it have never been screened. The biggest risk factor is non-attendance.
Oral contraceptives and HPV
Evidence suggests that long-term use of combined oral contraceptives or progestogen-only injectable contraceptives is associated with a small increased risk of cervical cancer. The level of risk returns to that for never-users within 10 years of stopping use.
Oral contraceptives and cervical cancer (245kb PDF)
The NHS Cervical Screening Programme responds to a systematic review of cervical cancer and use of hormonal contraceptives published in The Lancet and explains why women should choose to accept their invitations for cervical screening.
Research examining the effects of long-term use of oral contraceptives on the occurrence of cervical cancer in women with Human Papillomavirus (HPV) has been published in The Lancet.
 National Statistics, Health Quarterly Statistics 07, Autumn 2000
 Cancer Incidence and Mortality in England and Wales: trends and risk factors. Swerdlow, Silva and Doll OUP 2001
 Julian Peto et al, The Lancet 2004 (Vol.364: 249-56)
 Sasieni, British Journal of Cancer 1996 Apr; 73(8):1001-5
- NHSCSP home page
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- About cervical screening
- Human Papillomavirus (HPV)
- Research in cervical screening
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