Procardia danger during pregnancy?

by Amy
(Wausau, WI)

I had a baby boy on November 9th and was in the hospital twice for preterm labor, once in September and once in October.

I was given magnesium sulfate both times to stop contractions and procardia the second time and sent home with a prescription for procardia.

I was told to take it until 37 weeks which i was not comfortable doing but trusted my Dr. I'm just curious if there are any dangers in taking that medication while pregnant?