Preterm Labor

Question 1

What is nifedipine?

Answer 1

calcium channel blocker, tocolytic agent used to delay progression of labor to allow for the benefit of betamethasone to hasten pulmonary maturation

Question 2

When are terbutaline and ritodrine contraindicated?

Answer 2

diabetic patients and terbutaline should not be used in preterm labor

Question 3

When is Mg sulfate contraindicated?

Answer 3

in myasthenia gravis

Question 4

When is indomethacin contraindicated?

Answer 4

after 32 weeks due to risk of premature ductus arteriosus closure

Question 5

What is betamethasone associated with in newborn?

Answer 5

increase pulmonary maturity and reduce incidence of RDS, decreased intracerebral hemorrhage and necrotizing enterocolitis