When the mother's membranes rupture during active labor, the fetal heart rate should be observed for the occurrence of which periodic pattern?
a. Early decelerations
b. Variable decelerations
c. Nonperiodic accelerations
d. Increase in baseline variability
ANS: B
When the membranes rupture, amniotic fluid may carry the umbilical cord to a position where it will be compressed between the maternal pelvis and the fetal presenting part, resulting in a variable deceleration pattern. Early declarations are considered reassuring; they are not a concern after rupture of membranes. Accelerations are considered reassuring; they are not a concern after rupture of membranes. Increase in baseline variability is not an expected occurrence after the rupture of membranes.
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