Generally, there is no pregnancy failure after bleeding on implantation, but there are individual differences. Some pregnant women in the early stages of pregnancy in the fertilization of the egg will appear a small amount of vaginal bleeding symptoms, can also be accompanied by a slight pain in the lower abdomen, will last for 3-4 days, but progesterone and blood HCG (human chorionic gonadotropin) test is normal, this is a physiological phenomenon, generally does not cause pregnancy failure, but there are individual differences, when the bleeding is more may also lead to pregnancy failure. Early pregnancy should pay attention to appropriate rest, avoid strenuous exercise and heavy physical labor, prohibit coitus, appropriate increase in diet and nutrition, but also continue to follow the doctor’s advice to take folic acid on time. Due to the unstable development of the embryo in early pregnancy, when abdominal pain, vaginal bleeding and other symptoms need to go to the hospital in a timely manner, and combined with blood HCG and progesterone tests and other active treatment.