Redness in the first pregnancy refers to the appearance of bloody vaginal discharge in early pregnancy, which can be seen in a variety of cases such as bleeding from the bed, miscarriage, cervical lesions and ectopic pregnancy. 1, the fertilized egg is in the bed: the redness in early pregnancy may be caused by a small amount of bleeding caused by the fertilized egg in the bed, lasting for 3-5 days, except for bloody discharge, which is not accompanied by abdominal pain and other uncomfortable symptoms, so it can be observed without special treatment; 2, ectopic pregnancy: the location of the fertilized egg is outside the uterine cavity, such as the fallopian tube, with the continuous growth of the embryo, local rupture may occur and cause heavy bleeding, the patient The consequences are more serious and should be diagnosed and treated as soon as possible; 3. miscarriage and pre-eclampsia: the patient is first clearly intrauterine pregnancy, with dark red or bloody vaginal discharge, but no pregnancy discharge, with or without paroxysmal lower abdominal pain and low back pain, and if the ultrasound confirms that the fetus is live, timely fetal preservation treatment is needed; if the ultrasound indicates embryonic abortion, consider indolent miscarriage and require 4, cervical lesions: pregnant women themselves suffer from cervical diseases, such as cervical inflammation, cervical polyps or even cervical cancer, which may induce bleeding in the early stages of pregnancy, need to carry out relevant gynecological examinations to clarify the cause and make the appropriate treatment for the patient’s specific disease.