A large analysis of most of the studies carried out worldwide into oral contraceptives (the pill) and the risk of breast cancer, showed that women using the pill have a slight but significant increase in breast cancer risk. But the evidence suggests that the risk starts to drop once you stop taking the pill and 10 years after you stop your risk of breast cancer is back to normal.
If you have a family history of breast cancer, you may feel that this increase in risk (however small it is) is not worth taking. Doctors don't think that pill use is likely to change the size of the risk in women who have close relatives with breast cancer. But we don't really have the research evidence to say how pill use might affect breast cancer risk in those with a family history.
If you have a history of breast problems, such as benign lumps, you may also feel that you should be extra cautious. It is thought that the oestrogen in the combined pill may cause the increased risk. So it may be better to take a brand of pill that has lower oestrogen. In the UK, most women are automatically put onto a low oestrogen combined pill by their doctors.
more at
http://www.cancerhelp.org.uk/Linkback:
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