The contraction inhibitor atosiban prolonged labor in cases of threatened preterm birth beyond 30 weeks’ gestation but did not improve neonatal outcomes compared with placebo, researchers ...

The usual dosage of nifedipine, 10-20 mg p.o. every four to six hours, may cause flushing, headache, dizziness, and nausea. In normotensive women, transient hypotension is rare.

A drug commonly used to arrest preterm labor, magnesium sulfate, works just as well as another commonly used drug, nifedipine, but is much more likely cause mild to serious side effects in ...