Newer contraceptive pills developed can help decrease the risk of ovarian cancer in young women. This was found to give long-lasting protection and provides reassurance for women.
Birth Control Pills | Contraceptive Pills Types Advantages Side Effects & Risks
Oral contraceptive or birth control pills contain hormones that prevent pregnancy. It is one of the most reliable methods of contraception.
Oral contraceptive or birth control pills contain hormones that prevent pregnancy. It is one of the most reliable methods of contraception.
‘Newer contraceptive pills developed can help decrease the risk of ovarian cancer in young women. This was found to give long-lasting protection and provides reassurance for women.’
At least 100 million women worldwide are using hormonal contraception every day. Previous research has shown a reduced risk of ovarian cancer in women who take combined oral contraceptives, but most of the evidence relates to the use of older products, containing higher levels of oestrogen and older progestogens. Women who use newer oral contraceptives and other hormonal contraceptive methods also want to know whether they are likely to experience the same benefit.
So researchers at the University of Aberdeen in Scotland and the University of Copenhagen in Denmark investigated the influence of newer hormonal contraceptives (combined and progestogen-only products) on overall and specific types of ovarian cancer in women of reproductive age.
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Women were categorised as never users (no record of being dispensed hormonal contraception), current or recent users (up to one year after stopping use), or former users (more than one year after stopping use) of different hormonal contraceptives.
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After taking account of several factors, including age and parity, the researchers found that the number of cases of ovarian cancer were highest in women who had never used hormonal contraception (7.5 per 100,000 person years), whereas among women who had ever used hormonal contraception, the number of cases of ovarian cancer were 3.2 per 100,000 person years.
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The reduced risk for combined products was seen with nearly all types of ovarian cancer, and there was little evidence of important differences between products containing different types of progestogens.
Similar results were also found among women followed up to their first switch in contraceptive type.
Based on these figures, the researchers say that hormonal contraception prevented an estimated 21 percent of ovarian cancers in this group of women.
This is an observational study, so no firm conclusions can be drawn about cause and effect, but they do support the findings of studies of older products.
The researchers point out that they did not study older women, among whom most cases of ovarian cancer occur. However, this was a large study with a long follow-up period, and the researchers were able to adjust for a range of potentially influential factors.
"Based on our results, contemporary combined hormonal contraceptives are still associated with a reduced risk of ovarian cancer in women of reproductive age, with patterns similar to those seen with older combined oral products," say the authors.
"The reduced risk seems to persist after stopping use, although the duration of benefit is uncertain. Presently, there is insufficient evidence to suggest similar protection among exclusive users of progestogen-only products," they conclude.
Source-Eurekalert
