Relation of fetal blood gases and data from computer-assisted analysis of fetal heart rate patterns in small for gestation fetuses |
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| Authors: | LUCIA S. M. RIBBERT Research Fellow ROSALINDE J. M. SNIJDERS Research Fellow KYPROS H. NICOLAIDES Director GERARD H. A. VISSER Professor |
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| Affiliation: | Harris Birthright Research Centre For Fetal Medicine, Department of Obstetrics and Gynaecology, King's College Hospital, London SE5 8RX, UK;Department of Obstetrics and Gynaecology, University Hospital Groningen, Oostersingel 59, Groningen, The Netherlands |
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| Abstract: | Summary. Fetal heart rate (FHR) monitoring and computer-assisted analysis were performed immediately before cordocentesis in 25 severely small-for-gestational age fetuses. There were significant associations between FHR variation and both umbilical vein blood Po2 ( r= 0–66 ) and pH ( r=0.69 ). However, the wide scatter of values around the regression lines prevented accurate prediction of fetal blood gases from FHR patterns. Nevertheless, FHR variation <20 ms was always associated with severe fetal hypoxaemia and acidaemia. |
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