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?

B No late decelerations noted with three uterine contractions of 60 seconds in duration within a 10-min testing period. C Irregular contractions of 10 to 20 seconds in duration that are not felt by the client. D Three fetal movements perceived by the client in a 20-min testing period. A 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.