seizures in the 3rd trimester

I showed up today for my 2x a week monitoring and I just blanked. I don't know why I was there who my dr was or even how to use my phone to tell my fiancé I was confused. It lasted about 10mins and my Fiancé showed up and we went on to out apt. Today we saw the dr after my monitoring, and my Fiancé first asked my Dr about the confusion I had during check in. She didn't even go over my chart with my or let me ask questions I had planned to ask about pelvic pains and Braxton hicks. She said she wanted to set up and MRI and sent me to the ER where I was admitted overnight before I had even got checked in. They thought it could have been seizures or mini strokes. Well now I'm here in the hospital contracting every 8-5mins and just wondering if there's any risk of seizures during 3rd trimester???