The hcg is secreted by the embryonic trophoblast after pregnancy, and the embryo starts to secrete hcg after it is laid, and the growth rate of hcg is faster in early pregnancy, increasing at a rate of 1.7-2 days. The hcg is stuck after tens of thousands of weeks, it should be that the hcg has reached its peak value, as long as the pregnancy week has exceeded 8 weeks, the ultrasound examination of the embryo development is normal, there is already a fetal heart, fetal buds appear, there is no need to worry too much, it is a normal physiological phenomenon. If the hcg tens of thousands of weeks after the pregnancy week has not reached 8 weeks, we can basically judge that the embryo development has abnormalities, most of which are caused by chromosomal development abnormalities of the embryo. You can replenish the hcg by injecting human chorionic gonadotropin and then review the ultrasound after 1 week. If there is no fetal heart and fetal bud on the ultrasound, there is no need to continue to keep the fetus.