as leisha begins contractions with their third child.re in the middle of a 75-minute drive to the birth center when leisha goes into labor. >> my wife had asked me to film this birth because she hadn't actually seen the previous two births so she wanted to see this one from camera perspective. so i just set it on my leg and i was paying attention to the road. >> the water broke. >> true or false? the best indication that a birth is imminent is when a woman's water breaks. the answer is false. there's actually a more simple signal. >> there's sort of a guttural noise that women begin to make very instinctively that is the clue that labor is going to be happening very imminently. it's the moan groan type of grunt that is the trigger. >> i reached around and felt his head and that's when i was like, oh, my word, he's coming out in the car. i lost my mind pretty much at that point. i couldn't believe that that was actually happening, and i was like, well, his head's out. i have to push him the rest of the way out because he can't stay halfwa