雌三醇微粉化

[同义词]
（16alpha，17Beta）-Estra-1,3,5（10）-三烯-3,16,17-三醇; Follicular Hormone, Hydrate ;卵泡激素，水合物； Oestriol;雌三醇;
[CAS号 ] 50-27-1  
[分子式] C18H24O3
[分子量] 288.387
[外观]白色粉末
[检验（基本依据）] 97.0
[特定旋转度[a] D25] + 54°至+ 62°
[应用]
Estriol Micronized用作药物，主要用于更年期症状的激素治疗。
关于Estriol微粉化
Estriol Micronized是一种性激素，可用于激素替代疗法。 
Estriol (E3), also spelled oestriol, is a steroid, a weak estrogen, and a minor female sex hormone.雌三醇（EXNUMX），也拼写为雌三醇，是类固醇，弱雌激素和次要女性性激素。 It is one of three major endogenous estrogens, the others being estradiol and estrone.它是三种主要的内源性雌激素之一，其他是雌二醇和雌酮。 Levels of Estriol Micronized in women who are not pregnant are almost undetectable.未怀孕妇女中的雌三醇微粉化水平几乎无法检测到。 However, during pregnancy, Estriol Micronized is synthesized in very high quantities by the placenta and is the most produced estrogen in the body by far, although circulating levels of Estriol Micronized are similar to those of other estrogens due to a relatively high rate of metabolism and excretion.然而，在妊娠期间，虽然被相对较高的新陈代谢率和高代谢率，Estriol Micronized的循环水平与其他雌激素相似，但胎盘中合成的Estriol Micronized的量很高，并且是迄今为止体内雌激素最多的雌激素。排泄。 Relative to estradiol, both Estriol Micronized and estrone have far weaker activity as estrogens.相对于雌二醇，微粉化的雌三醇和雌酮的雌激素活性均弱得多。