There are many ways to detect when ovulation has passed, but the most common method is to measure body temperature. Below, we will introduce several methods to detect when the ovulation period has passed.

Basal body temperature refers to the change in body temperature from the moment you wake up in the morning to the end of the day. The method of measuring basal body temperature is simple and easy to understand. The body temperature can be measured at the same time every day and recorded in a table. If your body temperature rises suddenly, it may mean you are ovulating. If your body temperature continues to rise, it may mean you're about to ovulate.

2. Observe cervical mucus

Cervical mucus refers to the mucus in a woman’s vagina, which is usually clear and thick in texture. A simple way to observe cervical mucus is to measure it every morning when you wake up. If your cervical mucus becomes clear, it may mean you are ovulating. If your cervical mucus becomes thicker, it may mean you're about to ovulate.

3. Observe vaginal secretions

Vaginal discharge refers to the discharge from a woman's vagina, which is usually clear and thick in texture. The method of observing vaginal secretions is also very simple. You can measure vaginal secretions when you wake up every morning. If your vaginal discharge becomes clear, it may mean you are ovulating. If your vaginal discharge becomes thicker, it may mean you're about to ovulate.

During ovulation, a woman's appetite may increase and her mood may become more exciting. The method of observing appetite and mood is also simple. You can measure appetite and mood every morning when you wake up. If your appetite increases and your mood becomes more exciting, it could mean you're ovulating.

The above are several ways to detect when ovulation has passed. Although these methods are not guaranteed to be 100% accurate, they can help women better understand their health conditions and take appropriate measures to protect their bodies.