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为探讨噪声对雌性生殖系统的危害机理，选用 ４０ 只雌性大鼠，暴露于 １００ｄ Ｂ（ Ａ）的稳态噪声中 ６ 周（６ｈ／ｄ），用阴道涂片法测动情周期，放射免疫方法检测雌激素水平。结果显示：与对照组相比，噪声组雌鼠体重增长缓慢，动情周期延长，雌激素水平降低（ Ｐ＜ ０．０１），而噪声加雌激素组与对照组则无显著性差异。提示长时间噪声应激可致雌激素水平下降，合理应用雌激素可防止噪声损害。
In order to explore the mechanism of the harm of noise to the female reproductive system, 40 female rats were selected and exposed to 100d B (A) steady-state noise for 6 weeks (6h / d). The vaginal smear method was used to measure the estrous cycle. Radioimmunoassay Estrogen levels were measured. Compared with the control group, the body weight of the female rats in noise group increased slowly, estrous cycle prolonged and the level of estrogen decreased (P <0.01), but there was no significant difference between the noise plus estrogen group and the control group. Tip long-term noise stress can cause estrogen levels decline, a reasonable application of estrogen to prevent noise damage.