Bleeding at the time of implantation usually occurs about 6-7 days after fertilization, not more than 10 days. Most women do not experience bleeding when the fertilized egg is implanted, but some pregnant women may experience a small amount of vaginal bleeding due to damage to the uterine lining during implantation due to their physical condition, and this may be accompanied by mild abdominal pain, which is a normal phenomenon and will not affect the implantation of the fertilized egg. Generally, the implantation of the fertilized egg will last about 3-4 days, during which there will be a small amount of vaginal bleeding in the form of light red or reddish discharge. Pregnant women need to take proper rest, avoid exertion, and eat a light diet. However, if the bleeding is found to be large or prolonged, blood HCG and ultrasound examination should be performed in the hospital in time to clarify the cause, and timely treatment should be carried out to preserve the fetus. During pregnancy, pay attention to rest more, at the same time should relax, avoid tension, anxiety, any discomfort should be timely to the hospital, the doctor to clarify the diagnosis, and cooperate with the doctor to treat the symptoms.