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Doctor insights on: Estriol

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Dr. Janet Chollet
78 doctors shared insights

Estriol (Overview)

There are three forms of naturally occuring estrogen in the body, estrone, estradiol, and estriol. Estriol is the most commonly used and recommended form of estrogen for menopausal symptoms. Estriol has great benefit to the cells of the vagina but has little effect on the breast or the uterine lining when used conservatively. I always recommend the lowest dose of estrogen hormones as possible.


Dr. Janet Chollet
78 doctors shared insights

Estriol (Overview)

There are three forms of naturally occuring estrogen in the body, estrone, estradiol, and estriol. Estriol is the most commonly used and recommended form of estrogen for menopausal symptoms. Estriol has great benefit to the cells of the vagina but has little effect on the breast or the uterine lining when used conservatively. I always recommend the lowest dose of estrogen hormones as possible.


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Where is information on normal levels of progesterone, estradiol, estriol, testosterone & dhea?

Where is information on normal levels of progesterone, estradiol, estriol, testosterone & dhea?

Lab reference ranges: Levels of these hormones are only as reliable as their test kits. One lab may use a different method for detection than another. You may not be able to compare values between different labs. Labs also set their normal ranges based on multiple tests. You need to discuss these hormones with an endocrinologist as they're trained to understand the different testing methods. ...Read more

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Does topical estriol get converted into estradiol in women treated for menopause? Is estriol any safer than estradiol? Mammogram/breast exam is normal

Does topical estriol get converted into estradiol in women treated for menopause? Is estriol any safer than estradiol? Mammogram/breast exam is normal

NO; Yes: Estriol does not convert to other Estrogens in the body. It is safer because it's the weakest of the Estrogens and has no link to breast cancer. Studies suggest thta estriol has a protective effect. If used incorrectly, though, it can trigger hot flashes. ...Read more

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What does low estrogen and estriol levels signify? I'm 39 healthy female.

Just remember:: The timing of when the labs were drawn is of critical importance in interpreting them. During the first week after menses (or during the menses or right before menses, the estrogen levels will be very low- and that is normal). Ideally, hormone levels are checked on day 21-23 of menstrual cycle. ...Read more

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What is the definition or description of: estriol?

What is the definition or description of: estriol?

A form of Estrogen: There are three forms of naturally occuring estrogen in the body, estrone, estradiol, and estriol. Estriol is the most commonly used and recommended form of estrogen for menopausal symptoms. Estriol has great benefit to the cells of the vagina but has little effect on the breast or the uterine lining when used conservatively. I always recommend the lowest dose of estrogen hormones as possible. ...Read more

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What does low estrogen and estriol levels signify? I'm 39 healthy female.

Just remember:: The timing of when the labs were drawn is of critical importance in interpreting them. During the first week after menses (or during the menses or right before menses, the estrogen levels will be very low- and that is normal). Ideally, hormone levels are checked on day 21-23 of menstrual cycle. ...Read more

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Has anyone tried bioidentical estradiol and estriol ?

Has anyone tried bioidentical estradiol and estriol ?

Every day: Estradiol plus estriol in a cream is generally called bi-est. It is part of what a lot of docs use when they are treating you with bioidentical hormones. ...Read more

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Can you tell me about post-menopause and estriol cream - help!?

Can you tell me about post-menopause and estriol cream - help!?

Vaginal dryness: Estriol cream works great to help vaginal dryness in women who are post-menopausal, especially when they are sexually active. The partnership may become positively effected from a woman getting relief from vaginal dryness. ...Read more