Violation of uteroplacental blood circulation

When a violation of the so-called uteroplacental blood circulation in the natural well-functioning system "mother-placenta-fetus", a serious malfunction occurs. Such a disorder can provoke a pathology of the placenta - its insufficiency, which leads to a large number of fetal diseases, complications of childbirth and even fatal. At present, it has been proved that the placental insufficiency syndrome due to a violation of utero-placental blood flow is one of the main reasons for miscarriage.

The placenta has its bloodstream. If it is necessary to investigate blood circulation in the placenta, ultrasound 3D is usually prescribed. During the study, attention is drawn to the dispersal of the vascular component in the placenta and to the correct organization of blood vessels and circulation in a particular area of ​​the placenta. In addition to ultrasound in case of suspicion of a violation of uteroplacental blood flow, another study - 3D Doppler - can be prescribed. This study establishes the presence of placental pathologies and whether the ratio of placental and fetal systems within the placenta is normal.

Pathologies that affect uteroplacental blood flow

Placental insufficiency. It leads to the weakening of many functions of the placenta - transpotrial, endocrine, metabolic, protective pr. That is, in the presence of placental insufficiency, it does not ensure a normal metabolism between the mother and baby organisms.

Fetoplacental dysfunction. With this pathology, there is a violation of blood flow along the large vessels of the umbilical cord, as well as in supporting fibers and in the chorionic plate.

The result of all these disorders is often a delay in the development of the fetus, which is caused by the suppression of metabolic processes and respiration. And the more placental insufficiency, the more slowly the fetus develops.


All deviations should be recorded for an accurate diagnosis by a dopplerogram. With the help of the Doppler technique, blood circulation parameters can be measured at different sites of one "mother-placenta-fetus" system. The doctor uses the measurements to determine the maximum efficiency of the uteroplacental blood flow, and on this basis an accurate diagnosis is made, the most effective treatment is given, obstetric tactics are chosen, which allows creating the most favorable outcome for the completion of pregnancy.

Classification of pathology of uteroplacental blood flow

Among gynecologists, a classification is adopted, based on the ratio of the rate of blood flow to the uterine arteries and umbilical cord blood flow. There are 3 degrees of violation of uteroplacental blood circulation.

  • The first. It is divided in turn into two violations: 1a - the fetoplacental blood flow is normal, and the utero-placental blood is broken; 1b - plodovo-placental - weakened, uteroplacental - normal.

  • The second. Simultaneous disturbance of both blood streams.

  • The third. Complete absence of blood flow or reverse dystolic blood flow in case of abnormality in utero-placental. This is a dangerous, critical violation.

  • Restoration of blood flow is possible only at 1b degree of abnormal uteroplacental blood circulation.