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[Non-stress test for antenatal diagnosis (author's transl)]
A non-stress test was applied to 186 women with high-risk pregnancy, and an oxytocin provocation test was added immediately. Increased frequency or acceleration of foetal heart rate accompanied by foetal movement was defined as "reactive" and interpreted as good condition of the foetus. Absence of accelerations adequate in number and magnitude within 30 minutes from testing was considered as alarming. Such tests were defined "non-reactive". Such situations could be attributed to temporary hypoxia or sleep of the foetus. Both the number of positive oxytocin provocation tests and perinatal morbidity were higher with significance (p less than 0.001) in the "non-reactive" group. One perinatal death occurred in that group. The non-stress test proved to be a non-invasive, harmless method and highly reliable for screening of women for high-risk pregnancy. It enabled better economy of cost and time and in the use of equipment.
A non-stress test was applied to 186 women with high-risk pregnancy, and an oxytocin provocation test was added immediately. Increased frequency or acceleration of foetal heart rate accompanied by foetal movement was defined as "reactive" and interpreted as good condition of the foetus. Absence of accelerations adequate in number and magnitude within 30 minutes from testing was considered as alarming. Such tests were defined "non-reactive". Such situations could be attributed to temporary hypoxia or sleep of the foetus. Both the number of positive oxytocin provocation tests and perinatal morbidity were higher with significance (p less than 0.001) in the "non-reactive" group. One perinatal death occurred in that group. The non-stress test proved to be a non-invasive, harmless method and highly reliable for screening of women for high-risk pregnancy. It enabled better economy of cost and time and in the use of equipment.