Fluctuation of cardiotocographic tracings during labor in fetal growth retardation |
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Authors: | A Nieto R Matorras M Serra P Valenzuela |
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Affiliation: | Hospital Universitario Príncipe de Asturias, Departamento des Especialidades Médicas, Universidad de Alcalá de Henares, Madrid, Spain. |
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Abstract: | The objective of our study was to analyse the fluctuation of cardiotocographic scores during labor in fetal growth retardation (FGR). The study took place at the University hospital "Principe de Asturias", Alcalá de Henares, Madrid, Spain. 170 at term FGR fetuses and 170 at term fetuses without FGR as control group were compared using modified Fischer scores, which were blindly performed at 3, 5 and 10 cm of cervical dilatation. As results we found out that the mean value of the Fischer score was significantly lower in FGR at 3 cm of cervical dilatation (8.1 +/- 1 vs 8.7 +/- 0.6), as well as at 5 cm (7.6 +/- 0.9 vs 8.1 +/- 0.7) and at 10 cm (6.7 +/- 0.8 vs 7.4 +/- 0.8). Poor prognosis cardiotocograms were also more common in FGR than in the control group in the three cut-offs points studied (7.5% vs 0.6% at 3 cm, 9.8 vs 1.8 at 5 cm and 37.9 vs 11.6 at complete cervical dilatation). The afore mentioned differences were more remarkable as labor advanced. Conclusions are that poor fetal heart rate recordings were detected in FGR at the beginning of labor when compared with control group fetuses and the differences between both groups increased while the labor prolonging. |
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