A nurse is assessing the results of a nonstress test for an antepartal client at 35 weeks of gestation. Which of the following findings should indicate to the nurse the need for further diagnostic testing?

Irregular contractions of 10 to 20 seconds in duration that are not felt by the client

An increase in fetal heart rate to 150/min above the baseline of 140/min lasting 10 seconds in response to fetal movement within a 40-min testing period

No late decelerations in the fetal heart rate noted with three uterine contractions of 60 seconds in duration within a 10-min testing period

Three fetal movements perceived by the client in a 20-min testing period