Your basal body temperature, or your body's temperature at rest, increases slightly during ovulation.
你基础体温，或者休息时候的体温，在排卵期间会有轻微升高。
2
You can chart your basal body temperature, which is a more precise (if more time-consuming) method.
你可以根据你的基础体温画个表，除了有点花时间外，这种方法还是很精确的。
3
Using a digital thermometer or a thermometer specifically designed to measure basal body temperature, take your temperature every morning before you get out of bed.