Which Client Is a Candidate for Internal Monitoring with an Intrauterine

Which client is a candidate for internal monitoring with an intrauterine pressure catheter?

A) Obese client whose contractions are 3 to 6 minutes apart, lasting 20 to 50 seconds
B) Gravida 1, para 0, whose contractions are 2 to 3 minutes apart, lasting 60 seconds
C) Multigravida whose contractions are 2 minutes apart, lasting 60 to 70 seconds
D) Gravida 2, para 1, in latent phase whose contractions are irregular and mild