![]() ![]() 'Given that a person's underlying risk of developing breast cancer increases with advancing age, the absolute excess risk of breast cancer associated with either type of oral contraceptive will be smaller in women who use it at younger ages. Kirstin Pirie, statistical programmer at Oxford Population Health, and one of the lead authors, said: 'The findings suggest that current or recent use of all types of progestogen-only contraceptives is associated with a slight increase in breast cancer risk, similar to that associated with use of combined oral contraceptives. 'What we've shown is that they're just the same in terms of breast cancer risk, they seem to have a very similar effect to the other contraceptives, and the effect that we've known about for many years.' 'We weren't absolutely sure what the corresponding effect of these progestogen-only contraceptives would be. 'We've known for many years that combined oral contraceptives, which women have been using for decades, also have an effect on breast cancer risk, a small increase in risk which is transient. 'The main purpose of doing this research was really to fill a gap in our knowledge. ![]() 'Yes, there is an increase here, and yes, nobody wants to hear that something that they're taking is going to increase their risk for breast cancer by 25%. ![]() Gillian Reeves, Professor of statistical epidemiology and director of the Cancer Epidemiology Unit at the University of Oxford, said: 'I don't really see that there's any indication here to say that women need to necessarily change what they're doing. ![]()
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