Natural progesterone has a much safer profile than all forms of synthetic progestins, not only for the breasts, but for nearly all tissues of the body, including the reproductive tissues, the cardiovascular systems, and the brain. There is a plethora of published literature on this subject.
For those who are unsure about the striking differences in safety profiles of synthetic progestins versus natural progesterone as regards breast cancer risk, several clinical trials have clearly shown the superiority of natural progesterone. In a 2005 review of clinical studies comparing synthetic progestins to natural progesterone, Campagnoli and co-authors concluded that: “The balance of the in-vivo evidence is that progesterone does not have a cancer-promoting effect on breast tissue. …..We therefore suggest that when hormone therapy is indicated, preparations containing progesterone and not a synthetic progestin should be used. In this way the risk of endometrial cancer is minimised without increasing the risk of breast cancer.”
So why are the news media confusing synthetic progestins with natural progesterone? Too often information such as this is streamlined in mainstream media by those who have power, money and the ability to shout the loudest. Large pharmaceutical companies have a strangle hold on funding for universities, who gets grants, what gets published, whose opinions get press, the success of women’s health organisations and journals they represent.
“The decision on natural hormone therapy is one between a patient and physician; natural hormones, when properly balanced, allow the body to function at its optimal level.”
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