Before and after the experiment, we take their samples of saliva for a hormone test.

实验前后，我们取他们的唾液样本进行激素试验。

Hormone tests do have some value in estimating the timing of menopause and the success of harvesting eggs for in vitro fertilisation.

荷尔蒙测试在预测更年期的时间和预测采集卵子进行体外受精的成功率方面确实有一定的价值。