![]() ![]() We present the normal ranges for FHR measured on the umbilical artery in healthy fetuses with normal heart function and anatomy between weeks 1 8 and 2 9 of gestation. However, no normal ranges of FHR have been published for the Polish population, even though Poland has undergone considerable environmental and structural change s. Key words: fetal echocardiography, fetal heart rate, prenatal, ultrasound, umbilical arteryįetal heart rate (FHR) is commonly used to assess fetal well -being. ![]() The obtained values may be of value to departments of obstetrics and should be considered important elements of the basic fetal ultrasound report. The 5 th, 50 th, 95 th percentiles, mean and standard deviation of FHR between weeks 1 8 and 2 9 of gestation were calculated.Ĭonclusions: We present the normal ranges for FHR measured on UMB - A for weeks 1 8 to 2 9 of gestation in healthy fetuses with normal heart function and anatomy. The regression equation for FHR, as function of GA in weeks, was found to be: FHR (beats /minute) = 14 9 – GA according to biometry (weeks) × 0.22 (r = –0.1032 P = 0.098) FHR (beats /minute) = 14 8 – GA according to the last menstrual period (weeks) × 0.16 (r = –0.0722 P = 0.253). Results: Based on the data from 25 8 healthy fetuses, a scatter graph with regression line giving a prognosis of normal values for FHR during pregnancy was prepared (95% confidence interval). The inclusion criteria comprised normal fetal biometry and biophysical profile, labels of “normal heart anatomy and normal heart function”, “no extracardiac malformations”, and no “extracardiac anomalies”. All fetuses underwent echocardiographic examination. Data on gestational age (GA), FHR measured on UMB -A, cardiac problems, and extracardiac problems were collected. Methods: The study was conducted in a tertiary center for fetal cardiology. 2021 79 (11): 1245–1250 DOI: 10.33963/KP.a2021.0119īackground: Fetal heart rate (FHR) is commonly used to assess fetal well -being.Īims: The aim was to establish normal ranges of FHR during pregnancy by umbilical artery (UMB -A) Doppler analysis in a healthy Polish population. Polish Mother’s Memorial Hospital Research Institute,
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