The absence of visible germs and primordial heart tube pulsation at 6 weeks of pregnancy may be normal, and can be checked again at an interval of 1 week, if it is not there yet, it is not normal. Usually, the fetal heartbeat appears around 6 weeks of pregnancy, but it may be delayed depending on the day of ovulation and the time of development of the fertilized egg. Therefore, for some people who do not see obvious embryonic buds and primitive heart tube pulsation at 6 weeks of pregnancy, it may be a normal phenomenon. Generally, ultrasound and other related examinations can be done again at an interval of about 1 week to clarify whether the embryonic buds and primitive heart tube pulsation are present or not. During pregnancy, pregnant women should pay attention to keep their body and mind happy and avoid excessive tension and anxiety. Daily attention should be paid to ensure sufficient sleep and balanced intake of nutrients. In the near future, she should also pay attention to observe whether she is accompanied by vaginal bleeding, lower abdominal pain and other uncomfortable symptoms, so as to consult a doctor in time to prevent accidents from occurring.