Which maternal condition should be considered a contraindication for the application of internal monitoring devices?
a. Unruptured membranes
b. Cervix dilated to 4 cm
c. Fetus has known heart defect
d. External monitors currently being used
ANS: A
To apply internal monitoring devices, the membranes must be ruptured. Cervical dilation of 4 cm would permit the insertion of fetal scalp electrodes and an intrauterine catheter. A compromised fetus should be monitored with the most accurate monitoring devices. The external monitor can be discontinued after the internal ones are applied.
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