A small amount of bleeding at eight weeks of pregnancy, to actively preserve the fetus, the specific whether to tight need to be assessed by the doctor. Early pregnancy due to low progesterone, easy to cause vaginal bleeding phenomenon, which belongs to the first sign of miscarriage. If there is a small amount of bleeding, to inject or oral progesterone and other treatments, usually has no effect on the fetus. During the injection of progesterone, blood should be drawn to check the value of progesterone and the doubling of human chorionic gonadotropin value. Specific need to follow the doctor’s advice. Note that in the process of fetal preservation, more bed rest, avoid strenuous exercise. Usually there is no chromosomal abnormality in the fetus itself, etc., and the fetus can usually be preserved. In addition, the diet during pregnancy should be more nutritious, eating some good digestive and nutritious food.