Be pregnant 3 months do B ultrasonic to have fetal heart how to return a responsibility

If the fetal heart is not monitored in the third month of pregnancy, it is likely to be the performance of fetal arrest. Generally, the fetal heart and fetal bud can be seen in the third month after pregnancy. Poor treatment of fertilized eggs, chromosomal diseases, etc. may lead to fetal arrest, which needs to be diagnosed in combination with hormone examination.