okay. so I spent all day yesterday in labor and delivery. contractions were 3-5 minutes apart. they ran iv fluids, gave me vistaril, and also gave me procardia... when my contractions calmed down a little bit they sent me home with a precription for procardia. I'm supposed to take it every 4 hours everyday until I'm 37 weeks. which is almost 3 weeks from now. I took it last night at exactly 4 hours from my previous dosage in the hospital and it gave me a horrible migrane, made me nauseous, and...