A multigravid client at 34 weeks' gestation who is leaking amniotic fluid has just been hospitalized with a diagnosis of preterm premature rupture of membranes and preterm labor. The client's...

A multigravid client at 34 weeks' gestation who is leaking amniotic fluid has just been hospitalized with a diagnosis of preterm premature rupture of membranes and preterm labor. The client's contractions are 20 minutes apart, lasting 20 to 30 seconds. Her cervix is dilated to 2 cm. The nurse reviews the physician prescriptions (see chart). Which of the following prescriptions should the nurse initiate first?

1. Initiate fetal and contraction monitoring.

2. Start the intravenous infusion.

3. Obtain the urine specimen.

4. Administer betamethasone.