The punctate germ is an imaging sign that the pregnancy is relatively short, and the primitive cardiac ductal pulsation is the fetal heart and blood vessel pulsation, which indicates that there is a live fetus in the uterus. Dotted germ is an imaging manifestation after ultrasound examination during pregnancy, which cannot be seen by naked eyes. Dotted germ appears around three to five weeks after fertilization, which is a kind of state of the fertilized egg just developing, and is also the normal developmental process of the embryo, which means that the pregnancy is still relatively short, so we will continue to observe it for the time being. Primitive cardio-vascular pulsation refers to the fetal heart and blood vessel pulsation, usually appears after six to eight weeks of fertilization, there is a primitive cardio-vascular pulsation, indicating that the fetus in the uterus is a live fetus, the woman can be a normal pregnancy to continue. After pregnancy through the ultrasound examination, to determine the yolk sac, germ, fetal heart development in the uterus, is normal phenomenon. After the pregnancy is confirmed, do a good maternity test during pregnancy and deal with any abnormalities promptly.