The reasons for bleeding during the administration of drogastrol are related to the purpose of treatment, if the drug is used to regulate menstruation, there is no need to panic, just continue to take the drug as prescribed by the doctor; taking the drug may cause cervical lesions and miscarriage, and you need to go to the hospital for treatment. 1. successful regulation of menstruation: drogastrol is a progestin close to natural, if it is used to regulate the menstrual cycle, vaginal bleeding occurs around 10 days after taking the drug, that is, the onset of menstruation. This means that the drug has a good effect, and the second course of treatment can be carried out after the end of menstruation. 2. cervical lesions: If the bleeding is heavy during the period of taking the drug, it may be caused by endometrial lesions or cervical lesions, and further examination is needed to clarify the cause and then choose a suitable treatment plan. 3. miscarriage: If vaginal bleeding occurs during the period of taking drospirenone for fetal preservation, it means that the effect of fetal preservation is not good. If the pregnancy capsule has been expelled from the uterine cavity, there is no need to continue to keep the pregnancy, and it should be clarified whether there is residual tissue in the uterine cavity, and if there is residual, it should be treated with uterine evacuation to avoid intrauterine infection.