You don’t need to continue taking progesterone when you get your period halfway through, and continuing to take it may lead to adverse reactions such as increased menstrual flow. Progesterone is a hormonal drug that enhances the thickness of the uterine lining and usually works as a menstrual stimulant. Continuing to take it during menstruation may result in increased menstrual flow, irregular vaginal bleeding and prolonged menstrual periods, and in severe cases may induce iron deficiency anemia, it is best to take this drug under the guidance of a medical professional. When menstruation occurs at this time, pay attention to the amount and color of menstruation, and whether it is the same as the previous amount and color of menstruation. In daily life, it is recommended to strengthen nutrition and eat more protein-rich food, such as eggs, milk, fish, etc., eat more fresh vegetables and fruits, and keep a happy mood.