The fact that you can’t see the buds and the heart on the abdominal ultrasound may be due to the early examination time or the late conception or fetal arrest. If a woman’s pregnancy is relatively short and she goes to have an abdominal ultrasound too early, the fetal buds and the fetal heart have not yet developed, and it is normal that the abdominal ultrasound can’t see them clearly; if she goes back to the hospital for a review in a week, she will be able to see the development of the fetal buds and the fetal heart clearly, which is a normal phenomenon. If you are pregnant with a fetus that has stopped developing, you may not be able to see the development of the fetal buds and the fetal heart through the abdominal ultrasound, so you should go to the hospital for a review in one to two weeks, and if you are sure that there is no development of the fetal buds and the fetal heart, then you should consider that it is abnormal, and you need to terminate the pregnancy. In addition, abdominal ultrasound is performed by filling the bladder and observing the image through the abdomen, the disadvantage of which is that the image is affected by the fullness of the bladder and the thickness of the abdomen. If the buds are small at this time, the judgment may be wrong due to external reasons. If the time of menopause is long and the fetal heart buds are still not seen, it is recommended to review the negative ultrasound, which can be clearly observed. After pregnancy abdominal ultrasound did not see fetal heart buds, according to their own situation under the guidance of the doctor for review, do not have to worry too much.