...There are many methods for inducing ovulation, including the cyclic administration of estrogen and progesterone, and the temporary administration of large amounts of estrogen. Methods using ovarian steroid hormones have been around for a long time, and are still used today, but are becoming less common. The most widely used ovulation-inducing drug today is a nonsteroidal anti-estrogen, such as clomiphene citrate (brand name Clomid), which is taken orally for 5 to 10 days. Clomiphene binds to estrogen receptors at the hypothalamus and pituitary gland level, which triggers the release of a large amount of gonadotropins from the anterior pituitary gland around the 12th day after starting to take the drug, which is thought to cause ovulation. ... *Some of the terminology that mentions "clomiphene citrate" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…排卵誘発には多くの方法があり,エストロゲンとプロゲステロンを周期的に投与する方法,エストロゲンを一時的に大量投与する方法など卵巣性ステロイドホルモンを用いる方法が古くからあり,現在でも用いられてはいるが,この方法を用いることは少なくなってきている。排卵誘発薬として現在最も広く用いられているのは,クエン酸クロミフェンclomiphene citrate(商品名クロミッド)に代表される非ステロイド性の抗エストロゲンで,これを,5~10日内服させる方法である。クロミフェンは脳の視床下部,脳下垂体レベルでエストロゲンレセプターと結合し,それがきっかけになって,内服開始してから12日目ころに脳下垂体前葉からゴナドトロピンの大量放出が起きて,排卵が起こるものと考えられている。… ※「clomiphene citrate」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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