The reddish color of the leukorrhea in the early stage of pregnancy is an abnormal phenomenon in clinical practice, and it is commonly caused by the following reasons: 1. Because of preeclampsia, when the hormone level in the body is insufficient, or other reasons cause preeclampsia, it will make the uterine wall and the gestational sac between the stripping and the capillary rupture, which will result in the appearance of the leukorrhea in the case of blood. 2. Because of the ectopic pregnancy, in the early stage of the ectopic pregnancy, it will be the appearance of small amounts of vaginal bleeding, and the clinical must pay attention to it. The first step is to check the HCG and ultrasound for this situation.