The absence of fetal buds and a fetal heartbeat at 7 weeks of pregnancy is a sign of fetal arrest, or it may be due to the late conception of the woman. Most pregnant women can find fetal buds and fetal heart at 7 weeks of pregnancy. In case of not seeing fetal buds and fetal heart, it is necessary to ask the patient about her menstrual history, as women with long menstrual cycles ovulate later, and there will be an error of 1~2 weeks in the calculation of the pregnancy week after conception, and as the actual time of pregnancy at this time has not reached 7 weeks, it is a normal situation to check the examination for not seeing any fetal buds and fetal heart. You need to follow the doctor’s advice to review. In addition, we need to be alert to the fetal arrest due to a clear diagnosis of fetal arrest pregnant women need to terminate the pregnancy as soon as possible to avoid the impact on their own reproductive function. It is recommended that pregnant women who do not see any fetal buds or a fetal heartbeat during the 7-week checkup should undergo further examination to determine the cause of the problem.