![]() ResultsįGR cases had a significantly higher mean fetal PVPI than the control group (1.16 ± 0.26 vs. SPSS version 20 and Medcalc version 20.1 were used for data analysis. Umbilical artery blood samples were collected within 5 min of delivery for UA pH measurement. An elective cesarean section or labor induction are both options for ending the pregnancy, depending on the condition of the mother or fetus. The umbilical artery pulsatility index (UAPI) was measured on the free umbilical cord. The PVPI was measured at the proximal segment of the right or left pulmonary vein, approximately 5 mm from the left atrium wall. This matched cohort study of singleton pregnancies from 28 + 0 to 40 + 0 weeks of gestation without congenital abnormalities included 135 cases of FGR (disease group) and 135 cases of normal growth (control group). This study aimed to identify the alteration in PVPI in FGR cases and evaluate the correlation between PVPI and UA pH in FGR newborns. Nevertheless, the literature indicates that the relationship between pulmonary vein pulsatility index (PVPI) and UA pH in FGR cases has not been well investigated. Umbilical artery pH (UA pH) is essential in identifying adverse pregnancy outcomes, particularly in fetal growth restriction cases. ![]() ![]() The ductus venosus and the pulmonary venous flow pattern of fetuses are similar. In clinical obstetrics, many guidelines recommended the use of Doppler fetal ductus venosus blood flow to monitor and to manage fetal growth restriction (FGR).
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