RESUMO
To evaluate the accuracy of Pearson's fetal movement count (FMC) and antepartum fetal heart rate testing (AFHRT) in 380 high risk pregnancies at Rajavithi Hospital in 1994, the result of the 4 test FMC, AFHRT, FMC + AFHRT (serial test), and FMC + AFHRT (parallel test) were compared in sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), false positive rate (FPR), false negative rate (FNR) and accuracy. All tests had equal specificity and FPR. FMC + AFHRT (serial test) had the highest value of sensitivity (66.67%) but lowest value of FNR, NPV and accuracy (33.33%, 40%, 72.73% respectively). PPV was 100 per cent in AFHRT and FMC + AFHRT (serial test). FMC might be used as a first line antepartum fetal well being screening test.