Why does the child have fetal heart rate

summary

Fetal heart rate refers to the baby's heartbeat. Generally speaking, the mother can hear the baby's fetal heart rate in the form of stethoscope at the 12th week of pregnancy. In the early pregnancy of the mother, the baby's fetal heart rate is still very irregular, to the late pregnancy, the baby's fetal heart rate will become more regular. It will return to a normal range. If the mother finds that the fetus has no fetal heart rate during the examination, the mother needs to do several more examinations and change the position. Listen, the baby's position sometimes changes because of movement, or the mother monitors the fetal heart rate for a period of time to see if she has really lost the fetal heart rate. If there is no fetal heart rate, we should consider whether it is abortion

Why does the child have fetal heart rate

First, 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.

Second: there are many reasons leading to fetal arrest, including immune factors, genetic factors, infectious factors, endocrine factors and so on. 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.

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.