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hormones and bone health

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05 Jun 2014 12:10 #21875 by rothery
rothery created the topic: hormones and bone health
Since beginning one day a week fasting 3 months ago I have noticed an irregular menstrual cycle.
My luteal phase has gone gradually down from 10 days ( the minimum length considered fertile) to 5 days, which is a Luteal Phase Defect and associated with low estrogen levels and a loss of bone mass.
I should mention there has also been one longer fast per month, of 2-3 days, but I noticed the trend already with the 2nd one day fast.
Would it be risky for me to contine to fast?

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05 Jun 2014 12:41 #21876 by TheFastDoctor
TheFastDoctor replied the topic: hormones and bone health
This is likely a temporary change due to detoxification of the tissues, releasing substances that temporarily cause these cycle changes. I would suggest you continue, plus concentrate on elimination cycles and you are very likely to get back to normal in time.

André

All my posts are "generic", based on my opinions and experiences only and are not intended to replace the advice of your own licensed medical practitioner.

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05 Jun 2014 19:51 #21880 by rothery
rothery replied the topic: hormones and bone health
Dear Dr, thank you for your reply! 3 months ago my bmi was 19.7, but since starting fasting I have found difficulty maintaining a bmi of 19. I simply cannot gain back in one week, all the weight I lost with 1 day of fasting. In your experience is this weight loss normal and to be expected? And the cyclical chances will likely resolve if I continue fasting? I am concerned that I am damaging my health by not maintaining a healthy (for me) weight and that this could lead to bone problems.

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11 Jun 2014 12:29 #21971 by rothery
rothery replied the topic: hormones and bone health
Oh I get it, I have not been listening to my internal feedback system. The fasting schedule I maintained for the past 3 months helped me immensely with my post concussion symptoms but is too intense for me for the long term! I am going to try shorter and less frequent fasting periods, so less time in ketosis burning fat and more time between fasts to gain it back.
Doctor, I am still curious about your opinion on hormones and bone health, as the popular medical opinion seems to be, that estrogen helps build and maintain bone mass, however, fasting is also supposed to be good for bone health therefore I am curious what happens when fasting disrupts estrogen production.... Does it result in a loss or gain of bone?

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11 Jun 2014 15:54 #21976 by TheFastDoctor
TheFastDoctor replied the topic: hormones and bone health
Don't be overly concerned about the BMI dear Rothery, with the cycle you tend to become leaner but it's more fat loss. I do agree with you though, one day per week is more likely to be a way you can maintain.

Hormones can likely reduce the rate of bone loss but it does not really reverse it. And perhaps it works by making people more active as they feel younger when the hormones are still in the system. But weight bearing physical activity does much, much more than any other factor in maintaining bone health.

Losing a BIT of bone is actually good, as you lose old, weak bone, making way for fresh, stronger bone to take its place. That's likely part of what happens during the cyclical diet.

André

All my posts are "generic", based on my opinions and experiences only and are not intended to replace the advice of your own licensed medical practitioner.

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14 Jun 2014 16:41 #22110 by rothery
rothery replied the topic: hormones and bone health
Dear Doctor, thank you for the information!

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23 Sep 2014 14:35 #23358 by rothery
rothery replied the topic: hormones and bone health
Thank you for all the information so far, Dr Kruger.
Is it possible that the cortisol production from a weekly fast, could affect the menstrual cycle?

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24 Sep 2014 09:16 #23362 by TheFastDoctor
TheFastDoctor replied the topic: hormones and bone health
It is indeed possible dear Rothery. Cortizone or Cortisol is after all the base steroid hormone from which Estrogen and Progesterone is made... and it, in turn, is of course derived from Cholesterol.

André

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24 Sep 2014 13:10 #23366 by rothery
rothery replied the topic: hormones and bone health
What then is the solution? Raise cholesterol levels? Stop fasting??? :S

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24 Sep 2014 17:26 - 24 Sep 2014 17:26 #23367 by TheFastDoctor
TheFastDoctor replied the topic: hormones and bone health
Not that simple dear Rothery... Bear in mind inter alia that cholesterol levels measured in the blood does not necessarily reflect "whole body" levels. indeed some studies have shown if you are over 85, higher cholesterol is associated with longer life expectancy but this is but one of many thousands of factors. I firmly believe that fasting days (within reason) does not "count" towards aging.

There are many questions and less answers. But fasting removes all outside influences, allowing your intelligent body to find its own ideal balance.

André

All my posts are "generic", based on my opinions and experiences only and are not intended to replace the advice of your own licensed medical practitioner.

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