Redness in the first month of pregnancy may be caused by ectopic pregnancy, gravida, preeclampsia, or bleeding caused by vaginal and cervical diseases, it is recommended to seek medical attention in time to clarify the cause of bleeding and carry out treatment. 1. ectopic pregnancy: if ultrasound examination has not been performed, it may be bleeding caused by ectopic pregnancy, which may be accompanied by abdominal pain, once the examination confirms ectopic pregnancy, the pregnancy should be terminated immediately. 2. gravida: redness in the first month of pregnancy may The vaginal bleeding is the most common symptom of staph and can be accompanied by lower abdominal pain. It is recommended to go to the hospital for B-ultrasound examination to confirm the diagnosis of gravida and perform the treatment of uterus removal as soon as possible; 3. Pre-eclampsia miscarriage: if the pregnant woman is overworked during pregnancy or affected by bad stimulation or luteal insufficiency, it may lead to pre-eclampsia miscarriage. Pre-eclampsia miscarriage occurs, there will be vaginal bleeding, usually in small amount, followed by lower abdominal pain or low back pain. It is recommended to consult a doctor in time to perform blood HCG and ultrasound examination. If it is diagnosed as pre-eclampsia miscarriage, the pregnant woman should pay attention to rest, eat lightly and take oral fetus preservation drugs under the guidance of a doctor for fetus preservation treatment; 4. Vaginal or cervical bleeding: If the pregnant woman has vaginal inflammation or cervical inflammation, or even cervical polyps, there may also be a small amount of vaginal bleeding, and she should go to a professional hospital for examination to clarify the bleeding site. Early pregnancy is an important period for fetal development. You should pay attention to rest and avoid lifting heavy objects. If you have vaginal bleeding, it is recommended to go to the hospital in time to clarify the cause of bleeding and carry out treatment.