estrogens

例句：

1. 1. Estrogens have been shown to have a positive effect on bone health.
   研究表明，雌激素对骨健康有积极影响。
2. 2. Women who take estrogen supplements may experience menopausal symptoms.
   服用雌激素补充剂的妇女可能会经历更年期症状。
3. 3. Estrogen therapy is often used to treat breast cancer in postmenopausal women.
   雌激素疗法常用于治疗绝经后女性的乳腺癌。