The fetal heartbeat and no fetal bud at 7 weeks of pregnancy, that is, the fetal heartbeat can be seen in the sac but there is no obvious fetal bud, may be caused by physiological factors or pathological factors, it is recommended to perform further ultrasound, blood HCG and other examinations to give appropriate intervention treatment. 1. physiological factors: it may be because the gestational week is small and the fetal bud is not obvious, resulting in the situation of fetal heartbeat and no fetal bud at 7 weeks of pregnancy. The fetal heartbeat usually means that the fetus is growing and developing normally, so it can be temporarily observed without special treatment. 1-2 weeks later, it is recommended to go to the hospital to review the ultrasound and blood HCG value to observe the fetal heartbeat and fetal bud as well as the doubling of HCG, if the embryo is developing well, the pregnancy can be continued and regular maternity check can be done. 2, pathological factors: embryonic abortion can lead to the fetal heartbeat without fetal bud at 7 weeks of pregnancy. The situation of embryonic heartbeat but no fetal bud at 7 weeks of pregnancy. After suspected embryonic abortion, you can observe or keep the fetus for 1-2 weeks, and then review the ultrasound and blood HCG for clear diagnosis. If the fetal heartbeat is weakened or disappeared, no fetal buds are present, and the blood HCG is poorly doubled during the follow-up ultrasound, embryonic abortion should be considered. It should be dealt with promptly under the condition of ensuring the health of the pregnant woman and choosing artificial or medication abortion to terminate the pregnancy.