Bloody discharge in pregnancy may be related to miscarriage with precursor, gynecological diseases and other reasons, and it is necessary to find out the cause of bleeding and then treat the cause. 1. Pre-eclampsia: If a pregnant woman has a bloody discharge, accompanied by pain and discomfort in the lower abdomen, it may be pre-eclampsia. You can take oral progesterone capsules and other medications as prescribed by your doctor to protect the fetus. Progesterone capsule is a progestin drug, suitable for preeclampsia and habitual abortion, premenstrual tension syndrome, anovulatory hemorrhage and anovulatory amenorrhea, and estrogen used in combination to treat menopausal syndrome. After taking it, there may be nausea, dizziness, fever, breast swelling, etc., vaginal spot bleeding and other adverse reactions, allergic to progesterone is prohibited. 2. Gynecological diseases: vaginal inflammation, cervical polyps, cervical columnar epithelial ectasia and other gynecological diseases, there may be symptoms of blood in the discharge during pregnancy. Pregnant women need to do leukorrhea routine, gynecological examination and other tests to identify the cause of the disease, and then given by professional doctors to give a safe treatment plan. Therefore, when a pregnant woman notices blood in her discharge, she should seek immediate medical attention to identify the cause of the bleeding. If it is a preeclampsia, it needs to be treated with fertility preservation. If the pregnancy is combined with gynecological diseases, the cause of the disease should be clarified, and the treatment should be carried out under the guidance of a professional doctor, and no unauthorized use of medication should be made.