If do not have fetal heart rate, what symptom can pregnant woman have

summary

The fetal heart sound in medicine is the heartbeat of the fetus. Fetal heart sound can also be used as a very important basis to judge the physiological condition of the fetus. Therefore, as a expectant mother, we must always detect fetal heart sound, which can prevent the occurrence of adverse circumstances. Fetal heart sound can be heard in 18-20 weeks of pregnancy, and can be heard in the abdomen of pregnant women. The sound is similar to the double tone, like the tick of a clock. That is to say, from this period of time, mothers need to listen to the fetal heart sound once a day to detect the fetal heart sound. However, mothers may be disturbed by bowel sounds, so they must learn to distinguish. So let's understand that the fetal heart has no symptoms.

If do not have fetal heart rate, what symptom can pregnant woman have

First, this kind of situation belongs to fetal arrest. There are many reasons leading to fetal arrest, including immune factors, genetic factors, infectious factors, endocrine factors, etc. In general, the first pregnancy is the occurrence of fetal arrest, if you can not find the cause of the disease, then later pregnancy rely on blind fetal protection is unable to keep.

Second, the main reasons for no fetal heart rate: first, the embryo is too small. Second, the first is to stop childbearing. There are four main reasons for embryo suspension: one is reproductive endocrine, the other is estrogen, the other is progesterone, and the other is chorionic gonadotropin. If the mother's endogenous hormone is not enough, it will cause embryo suspension.

Third: at 7 weeks of pregnancy, B-ultrasound can clearly see the fetal bud and fetal heartbeat, and the fetal sac accounts for about 1 / 3 of the uterine cavity. Three months of pregnancy should be able to see the heart tube pulsation, some people may have long menstrual cycle, or gestational sac implantation later, there will be some time error.

matters needing attention

Generally pregnant 3 months, to the hospital can hear the fetal heart rate. If the baby is more than three months old and has no fetal heart rate, there may be a problem. If not, it means that the development of the germ is not good. If this happens, it is generally recommended not to use this baby.