natural family planning
menstrual cycle
ovulation window
fertility tracking
1. The calendar method is a common form of natural family planning.
日历法是自然避孕的一种常见形式。
2. She relies on the calendar method to track her fertility.
她依靠日历法来追踪她的生育能力。
3. The accuracy of the calendar method depends on cycle regularity.
日历法的准确性取决于周期的规律性。
A: Have you ever used the calendar method?
A:你曾经用过日历法吗?
B: Yes, it's quite effective if your cycle is consistent.
B:用过,如果你的周期很规律,它非常有效。
1) 通过监测月经周期来进行自然避孕的方法
2) 基于生理周期预测排卵期的手段
3) 一种自然避孕技术
1. 一种通过监测月经周期来预测排卵期以进行避孕的方法
e.g.The calendar method requires diligent tracking of each cycle.
日历法需要对每个周期进行认真的记录。
noun phrase
1. A natural family planning method that uses the menstrual cycle to predict ovulation.