泌乳激素

例句：

1. 1. The hormone plays a crucial role in regulating milk production.
   这种激素在调节乳汁产量方面起着至关重要的作用。
2. 2. In women, prolactin is responsible for the release of milk during lactation.
   在女性中，催乳素负责哺乳期间乳汁的释放。
3. 3. Prolactin deficiency can lead to mammary gland enlargement and reduced milk production.
   催乳素缺乏可能导致乳腺增大和乳汁产量减少。