etinilestradiol

例句：

1. 1. Ettinilestradiol is a hormone that plays a crucial role in female reproductive health.
   雌二醇是一种在女性生殖健康中扮演关键角色的激素。
2. 2.The study found that estrogen levels in postmenopausal women were significantly higher than those in premenopausal women.
   研究发现，绝经后女性的雌激素水平明显高于绝经前女性。
3. 3. Ettinilestradiol therapy has been shown to improve bone density and reduce the risk of osteoporosis inpostmenopausal women.
   研究表明，雌二醇治疗可以改善绝经后女性的骨密度，降低骨质疏松的风险。