Taking progesterone capsules just after a little menstruation is no way to make the period go back. Progesterone capsules themselves are hormonal drugs, and taking progesterone capsules with menstrual flow can easily lead to changes in the body’s hormone levels, which will not only prevent the menstrual flow, but also affect the normal menstrual cycle. Once the signs of menstruation appear, it is not recommended to take progesterone capsules and any drugs containing hormones, so as not to affect the normal physiological cycle, the onset of menstruation is the shedding of the endometrium, such as changes in hormone levels in the body will affect the shedding of the endometrium, thus affecting the normal onset of menstruation. Before menstruation, you can take progesterone capsules to change the hormone level in your body, which will affect the normal shedding of endometrium and delay menstruation.