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Posts Tagged ‘Estrogen metabolism’


Hormones 101 – Perimenopause

Posted on: March 4th, 2013 by Lara Armstrong 2 Comments


Written by Dr. Lara Armstrong, ND

As mentioned previously, perimenopause is the time leading up to menopause and is marked by changes in the menstrual cycle.  This can include intermenstrual bleeding (bleeding between periods), heavy periods or changes to the cycle length (shorter/longer).  Beyond the period itself, women may also begin to experience other symptoms such as mood swings, headaches and insomnia or other issues with sleep.  A common misconception in conventional medicine is that this is a problem of not enough estrogen, when in fact, this not the case at all.

As a woman enters perimenopause, the first hormone that begins to decline is progesterone.  The declining level of progesterone creates an imbalance between estrogen and progesterone, creating a relative estrogen dominant picture.  Many of the symptoms that are associated with perimenopause are due to the declining progesterone levels and fluctuating levels of estrogen, which creates the imbalance between …

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