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|Class:||Anti Estrogen Steroids||Character:||White Crystalline Powder|
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Letrozole 112809-51-5 Anti Estrogen Steroids White Powder For Women Infertility
What is Femara - Letrozole?
Femara (generic name is letrozole) is an oral drug which can be an effective fertility treatment for women with ovulation problems, or for those with unexplained infertility.
This medication is in a class of drug called aromatase inhibitors. Femara has mainly been used to treat certain cases of breast cancer.
|Alias||Femara, Letrozole, TROZET|
|Class||Anti Estrogen Steroids|
|CAS register number||112809-51-5|
|Character||White crystalline powder|
|Package||1kg/aluminium foil bag or as required|
|Minimum order quantity||10g|
|Shipping||By express courier|
|Shipping leading time||Within one work day after confirming the payment|
|Usage||For Infertility, Ovulation Problems and PCOS Treatment|
|Company||Nanjing Bangnuo Biotechnology Co., Ltd|
How are Femara and Letrozole Used as a Fertility Drug?
When the enzyme aromatase is inhibited by the letrozole medication, estrogen levels are suppressed in young women. This results in the brain and pituitary gland increasing the output of FSH (follicle stimulating hormone).
In women that have polycystic ovary syndrome or anovulation (a problem with ovulation) the increase in FSH hormone can result in development of a mature follicle in the ovary and ovulation of an egg. Doctors call this process "induction of ovulation".
In women that already ovulate on their own, treatment with Femara can result in development of multiple follicles and multiple eggs releasing.
Release of multiple eggs can increase the chances for pregnancy as compared to release of a single egg with a natural menstrual cycleDoctors refer to the process of stimulating ovulation of multiple follicles and eggs as superovulation, or controlled ovarian hyperstimulation.
Femara to Treat Infertility After Clomid Attempts Fail - Femara vs. Clomid
Clomid (brand name) or clomiphene citrate (generic name) is an oral medication that is often used for stimulating ovulation in women that do not ovulate on their own. Femara has sometimes been used in these women as an alternative to clomiphene.
Some women will not respond to Clomid at all. Letrozole can induce ovulation in some of these women.Women that do ovulate with Clomid still might never get pregnant with it.
Some of these women will conceive with letrozole. There can be unpleasant side effects with Clomid that cause women to stop taking it. This can be a reason to use Femara instead of Clomid
Femara and Pregnancy - Success Rates Using Femara and Letrozole
Monthly chances for getting pregnant using letrozole are about the same as with using Clomid.
Much will depend on the age of the female partner and on the status of the fallopian tubes and the male's sperm quality.
Higher Success for Women Not Ovulating on Their Own
With the following conditions, we can expect approximately 15% per month for a chance to get pregnant with Femara:
No other fertility issues are presentThe female partner is under 35 years oldWe achieve ovulation with the letrozole in a woman that was not ovulating
Lower Success for Unexplained Fertility in Ovulating Women
When it is being used for unexplained infertility in a woman who ovulates regularly on her own, the expectations for success are significantly lower than that.
Femara and IUI
Whether it is being used in unexplained infertility, or to induce ovulation, adding intrauterine insemination (IUI) and Femara together significantly improves chances for pregnancy.
Certificate Of Analysis
|Appearance||White or off-white crystaline powder||
White Crystalline powder
Soluble in Chloroform,
(1)Maximum absorption in wavelength of 240 nm
|(2)Infrared spectrum should be in accordance the dominant peak of contrast||In accordance with the dominant peak of contrast|
|Loss on drying||≤1.0%||0.8%|
|Conclusion||Conforms Specifications of Enterprise Standard.|
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