>> i was shocked. we was calling everybody. we were kind of bragging at that point. we're having twins. >> then just an hour later, amidst the celebration, comes a call of concern and urgency. >> the radiologist wants to redo the ultrasound herself, personally, now. >> but christian has gone back to work. without her husband by her side, nicole returns to the hospital and sees for herself what was so alarming. >> she said, you know, i don't really know how to say this except for to just say it. that your twins are conjoined at the head. all i could say was, okay, and try and breathe and not cry. i ran through the waiting room and just sobbed in the car till i couldn't breathe.