A 34-year-old woman, gravida 2 para 1, at 32 weeks' gestation presents to the labour and delivery unit with regular painful contractions every 4 to 5 minutes for the past 3 hours. She has chronic hypertension treated with labetalol 200 mg PO BID and had a major depressive episode 5 years ago, currently in remission off treatment. She has no allergies. Membranes are intact, there is no vaginal bleeding, and the fetal heart rate tracing is reassuring. Urine dipstick is negative for protein, and CBC, creatinine, and liver enzymes are normal. Initial cervical examination shows 1 cm dilation; repeat examination 2 hours later shows 3 cm dilation and 80% effacement with ongoing contractions. Group B Streptococcus status is unknown.
| Heart rate | 88/min |
| Respiratory rate | 16/min |
| Temperature | 36.8 °C |
| O2 saturation | 98%, room air |
| Blood pressure | 148/96 mm Hg |
Question 1 of 42
Which of the following are the most appropriate medications at this time?
Select 3. (0 / 3 selected)
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