Nifedipine?

Kristi
Has anyone else been prescribed this drug? What for and what was your dosage? How long did you have to take it? Did it have any negative effects on you or your baby if taken in a past pregnancy?
I've been taking it religiously every 6 hours for a week and my dr wrote me enough refills to take it the rest of my pregnancy. I have an "irritable uterus" and have been put on bed rest at 26 weeks.