Progesterone is a progestin that has the ability to stabilize the fetus and regulate menstruation. Bleeding during progesterone use needs to be dealt with according to the patient’s use of progesterone. Common uses and countermeasures 1, fetal preservation: If you use progesterone for fetal preservation treatment, but bleeding occurs during the use of progesterone, it is mostly considered that the fetus itself is caused by poor development and has little to do with progesterone. If there is a small amount of bleeding and no abdominal pain, you can continue to carry out fetal preservation treatment. If there is a lot of vaginal bleeding and abdominal pain, the treatment is ineffective and the pregnancy can be terminated according to medical advice. 2. delayed menstruation: If progesterone is taken to delay menstruation, but bleeding occurs during the period, it means that menstruation is no longer controlled by progesterone and the endometrium has been shed. It is recommended to stop the drug in time, otherwise it will aggravate the endocrine disorder and cannot play the role of stopping bleeding and regulating menstruation; 3. triggering menstruation: if progesterone is taken to promote the arrival of menstruation, when bleeding occurs during taking, it means that menstruation has come, so you can stop the drug, but you need to go to the hospital to perfect blood HCG to exclude the possibility of pregnancy. Note: Progesterone should be used under the guidance of a doctor, do not increase or decrease the drug without permission to avoid harm to the body; pay attention to bed rest, avoid exertion, avoid cold, and closely observe the vaginal bleeding, abdominal pain, if there is discomfort, seek medical attention.