Cardiotocography - Клініка Стефана Хміля

Cardiotocography

Cardiotocography (CTG) is a method of recording fetal heartbeat synchronously with contractions of the uterus. It is used to assess the fetal status and to detect the pathology of the fetoplacental system, as well as to monitor the effectiveness of the treatment. In the countries of Europe and North America, this method is common and one of the main.

Cardiotocography is performed from the 28th week of pregnancy. This method of research has no contraindications because it is safe, accessible and can often be carried out.

Cardiotocography (CTG) helps to assess the condition of the fetus, to detect intrauterine fetal hypoxia, to determine the tone of the uterus and the presence of its contractile activity.

For CTG, the pregnant woman is asked to lie on the couch, on her abdomen there are tapes with sensors. The results which is detected on the device displays are printed on a paper tape that moves at a speed of 1-3 cm / min. The procedure is carried out in the position of the woman on the left side for at least 30 minutes, which is necessary for an adequate analysis of CTG. The accuracy of the diagnosis of violations of the state of the fetus according to CTG is 75-90%.

Modern cardiotocogram has the appearance of two curves: one of them displays the heart rate, and the second – the contractile activity of the uterus, in addition, modern fetal monitors are equipped with a sensor for the registration of fetal movements. Information on cardiac activity of the fetus and uterine activity is carried out using special sensors.

The assessment of the condition of the fetus is carried out using the results of CTG in points on the Fisher scale. It should be remembered that the results of the absence of hypoxia at the time of examination do not guarantee the absence of hypoxia in childbirth. The favorable results of CTG are relevant during the week, with the detection of moderate hypoxia, the examenation should be performed daily.

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