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  • Abrupt fall in the fetal heart rate during labour 

    Odendaal, H. J.; Van der Merwe, J. V. (Health and Medical Publishing Group (HMPG), 1976-11)
    Cardiotocograms of 6044 patients in labour were examined for evidence of an abrupt fall in the fetal heart rate. The latter was defined as a deceleration of at least 50 beats within 3 minutes, without a demonstration of ...