The absence of fetal heart and buds at 7 weeks of pregnancy may be related to the late development of the gestational sac or the actual gestational week does not match, which is a normal phenomenon, or it may be related to embryonic arrest, ectopic pregnancy and other factors, which is an abnormal phenomenon.
1. Normal: 7 weeks of pregnancy without fetal heart and buds may be normal, some of the development of the fetus is relatively late, if the gestational sac has been growing, but there is no fetal heart and buds can be observed first, pay attention to review can.
In addition, some women’s menstrual cycle is relatively long, at this time may stop menstruation for 7 weeks, but the gestational period is not actually 7 weeks, there may be no fetal heart, fetal buds, pregnant women need to check their menstrual cycle, observe for a period of time and then recheck the ultrasound.
2. Embryonic Fertilization: If the pregnant woman’s menstrual cycle is normal, but there is no fetal heart and buds at 7 weeks of pregnancy, it may be caused by embryonic failure, which belongs to abnormal pregnancy, and it is necessary to analyze the specific situation according to the results of the blood human chorionic gonadotropin, HCG, ultrasound and so on.
3. Ectopic pregnancy: If the pregnant woman has an ectopic pregnancy, there may be no fetal heart and buds in the uterine cavity, and the embryo may be in a position other than the uterine cavity.
It is recommended that pregnant women strictly follow the time of maternity checkups, communicate with the doctor once abnormalities are found, and actively cooperate with the doctor’s treatment. In life, keep a happy mood, work and rest should be regular, appropriate nutrition, avoid exposure to harmful substances, etc..