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How does it work?
#6

(11-04-2010, 20:22)Hazel Wrote:  I though the pituitary had a direct effect on progesterone production, my bad. I read more on the pituitary. The pituitary produces the hormones LH and FSH in response to low levels of progesterone or estrogen. These hormones tell the ovaries to produce progesterone or estrogen respectively. So it works both ways. The estrogen and progesterone hormones in the dried ovaries and the LH and FSH in the pituitary that tell your own ovaries to produce estrogen and progesterone work together.
This is absolutely right. However this only happens if the right amounts of hormones are produced at the right time. Hormone production in the ovaries is very delicate. For example an LH production at the beginning of the cycle that is too high inhibits the growth of the follicles. It also directly stimulates the production of testosterone in the theca cells which is subsequently converted into estrogen in the granulosa cells. It is FSH which induces the aromatase. If the LH production is relatively high compared to the FSH production it results in excess androgens. The follicle cannot mature and ovulation doesn't take place. But at a certain time during the cycle LH levels need to be very high. LH triggers ovulation and if hormone levels are normal in the first half but the LH fails to rise to significant amounts during mid cycle, ovulation doesn't occur either. LH also stimulates the corpus luteum to produce progesterone during the luteal phase. If those levels are too low the body is not able to sustain a pregnancy. Hormone production in the ovaries can be impaired by many factors. These include excess amounts of cortisol, prolactin or insulin. They directly interfere with the ovaries. But there are other possibilities like high estrogen levels. If there is an excess conversion of precursor hormones to estrogen (in the fatty tissue, the adrenal glands or the liver) this can activate the negative feedback mechanism. The pituitary detects estrogen levels that are too high and shuts down the ovaries. But onla the ovaries can produce 17-ß-estradiol in larger amounts which is the most active and most important estrogen for female health. The other estrogen that is most commonly found is estrone. Estrone is a precursor for 17-ß-estradiol. But it may also be produced in the other aforementioned places where it is not converted to 17-ß-estradiol. It lacks many of the beneficial effects that 17-ß-estradiol has and many researchers associate high levels of it with an increased risk for endometrial and breast cancer.
I think this might be the reason for the many bad side effects that women with estrogen dominance have. Large amounts of "inferior" estrogen and the absence of a stable cycle which results in a lack of progesterone.
(11-04-2010, 20:22)Hazel Wrote:  So i came up with a theory. If BO works this way, it increases hormone levels in your body. Thus the pituitary will be informed and will tell your body to stop producing these hormones. So you will be running on hormones provided by BO. At the beginning of the program, you will have high levels of hormones, and later on when the production shuts down, effects will slow down. On the BB forums, many women reported growth at the beginning, but now have stopped. A break with a liver cleanse will start up the process from the beginning. So we can grow in steps, not continuously.

I'm still trying to learn how this would work, but this is what I have so far.
This is a possibility. But only if the amounts of hormones are high enough to trigger negative feedback. Up to a certain amount it might very well do the opposite and cause positive feedback to occur. There is also a possibility that the hormones build up and while they were low enough in the beginning to trigger positive feedback they are now too high and the ovaries cease production. This is also quite common with herbs (stalling) and it might be due to the fact that those hormones don't have the identical chemical structure as the hormones that the body produces. If you imagine the hormone as a key and its receptor site as the lock (simplified image) those foreign hormonal substances act similar but not the same, more like a picklock or skeleton key. So they have the tendency to build up (especially if taken in high amounts) and since they are not broken down they stay there and emit their negative side effects and inhibit the feedback system. That's why a cleanse every once in a while is a very good idea.
I think you are right so far. The only thing that bothers me is that with BO you never know what amounts of hormones you get. That should depend on the phase of the menstrual cycle that the ovary was in. I don't know if they have a standardized time of cycle in which the ovaries are taken out. If not I guess the hormone levels would vary. If the BO product further contains pituitary like BB does you would probably get certain amounts of FSH and LH which might help your hypothalamus to stimulate ovarian hormone production. But then again I'm quite skeptical about how much you get out of it and since the hormonal balance that is needed for functioning ovaries is so delicate I'm kind of doubtful as to whether this is such a good idea.
It obviously works for many women. But maybe they were just lucky enough to have the right hormonal profile for it. For me, too much of how it works remains unclear and shady.
:-/
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Messages In This Thread
How does it work? - by esther85 - 09-04-2010, 17:58
RE: How does it work? - by Hazel - 10-04-2010, 04:00
RE: How does it work? - by esther85 - 10-04-2010, 13:10
RE: How does it work? - by Suri - 11-04-2010, 15:29
RE: How does it work? - by Hazel - 11-04-2010, 20:22
RE: How does it work? - by Suri - 12-04-2010, 11:25
RE: How does it work? - by esther85 - 12-04-2010, 16:33
RE: How does it work? - by Suri - 13-04-2010, 10:14
RE: How does it work? - by Hazel - 13-04-2010, 07:26
RE: How does it work? - by esther85 - 13-04-2010, 16:51
RE: How does it work? - by Suri - 15-04-2010, 14:26
RE: How does it work? - by esther85 - 30-04-2010, 16:54
RE: How does it work? - by Suri - 02-05-2010, 14:37
RE: How does it work? - by marie5656 - 14-07-2010, 02:43



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