Rosenthal KL, Peterson ME: Evaluation of plasma androgen and
estrogen concentrations in ferrets with hyperadrenocorticism.
High - fiber diet reduces serum
estrogen concentrations in premenopausal women.
Effects on progesterone and
estrogen concentrations in the plasma, placenta, and myometrium.
Inverse association of soy product intake with serum androgen and
estrogen concentrations in Japanese men.
Nevertheless, the balance of sex hormones appears important as inappropriate low testosterone, or high
estrogen concentrations in males, may also relate to fatty liver disease and metabolic abnormalities.
Not exact matches
They found that women with higher
concentrations of BPA had lower peaks of estradiol, a form of
estrogen important
in the development of eggs
in the ovaries.
The
concentration of catechol
estrogens in the hypothalamus and pituitary are at least ten times higher than reported previously for the parent
estrogens.
Estrogens consumed
in the diet even at low
concentrations were found to stimulate breast cells.
As has been suspected by many
in the natural health community for a while, research from the University of Illinois has confirmed that the
concentration of soy isoflavone
in supplements may help drive tumor growth
in women with
estrogen - receptor positive breast cancer.
Noting that high
estrogen concentrations are «a defining characteristic of dominant follicles,» Dr. Denis Magoffin (Ceders - Sinai Medical Center, Los Angeles, California, USA) and co-investigators examined whether abnormal expression of ERs could contribute to poor follicular development and ovulatory failure
in women with PCOS.
Throughout menopause there are changes
in hormone
concentrations, with fewer
estrogens released.
During the follicular phase (before ovulation), the
concentration of progesterone
in the bloodstream is less than 1 ng / ml, although still present
in much higher amounts than
estrogen.
Studies, such as the one below, show that tissue
concentrations of
estrogen are often 50 + times higher than
in the blood.
The odds of a woman having
estrogen dominance and progesterone deficiency rise to 50 percent
in the female population by age 35, yet doctors rarely measure progesterone
concentrations.
In addition to decreasing serum
estrogen concentrations, fiber may be protective by adsorbing carcinogens or speeding their transit through the colon and providing less opportunity for their absorption.
For
estrogen shots to be effective, they must be given after the dog has released eggs from the ovary (evidenced by
concentration of progesterone
in blood greater than 4 - 10 ng / ml) but before she goes out of heat (evidenced by assessment of vaginal cells on a swab).
Although levels vary, natural
estrogen circulates
in people at extremely minute
concentrations, around a part per trillion.