


Does magnesium stop dilation?Įven so, studies have shown that magnesium sulfate can delay delivery for at least several days (depending on how far dilated a woman’s cervix is when the medication is started). Common maternal side effects include flushing, nausea, headache, drowsiness, and blurred vision. Magnesium sulfate is widely used as the primary tocolytic agent because it has similar efficacy to terbutaline with far better tolerance.


