Progesterone that is, progesterone capsules, take progesterone capsules bleeding is not physiological period, belongs to the withdrawal of bleeding. If it is a small amount of bleeding, consider it an adverse reaction after taking the drug. Progesterone capsules are used for the treatment of preeclampsia, irregular menstruation and other diseases, allergic people prohibit the drug. The phenomenon of bleeding after taking progesterone capsules is usually not menstruation, if the patient’s bleeding is more, similar to the time of a menstrual period, it is caused by the body’s shedding of the uterine lining after supplementation of progesterone. This bleeding phenomenon is not the real sense of menstruation, clinically known as withdrawal bleeding. If the patient has a small amount of bleeding after taking the drug, it is considered to be caused by the adverse drug reaction, not menstruation. Progesterone capsule is mainly used for the treatment of preeclampsia, habitual abortion, premenstrual tension syndrome, irregular menstruation and other diseases. In addition, the drug is prohibited for those who are allergic to progesterone capsules. Patients eating progesterone after bleeding phenomenon is generally not menstruation, it is recommended that patients under the guidance of a doctor to use the drug, should not be self-medication.