When there are fetal buds without fetal heart on the 47th day of pregnancy and the pregnant woman has a regular menstrual cycle, it is mostly an abnormal situation; however, if the menstrual cycle grows, it may be normal. Early pregnancy when the blood or urine pregnancy test to confirm pregnancy, but also for ultrasound to clarify the intrauterine pregnancy, regular menstrual cycle of pregnant women in the 47 days after menopause ultrasound can be seen in the fetal buds and fetal heart, so checking the correct week of gestation when there is a baby buds without fetal heart is not normal. However, when the menstrual cycle is long, due to the late ovulation time, the fertilized egg implantation time will be late, thus due to the short duration of pregnancy, there will be fetal buds without fetal heart, this is normal, can follow the doctor’s advice to check again. When the ultrasound examination on the 47th day of pregnancy suggests that there are fetal buds without fetal heart, it is also necessary to combine the progesterone and blood HCG (human chorionic gonadotropin) level test, and follow the doctor’s instructions to give progesterone, chorionic gonadotropin, and low molecular heparin and other medications, as well as regular ultrasound and laboratory tests, but if there is no improvement after the treatment, the embryonic embryonic sterilizations may occur, and it is necessary to terminate the pregnancy in a timely manner. When there are fetal buds without fetal heart on the 47th day of pregnancy, the cause can be identified under the guidance of a doctor and treated promptly.