I was desperate for some take-out tonight...major craving. After we got the bag of hot food, I got into the back seat of the car and put the bag onto my lap. It wasn't until 3-4 minutes later that I realized that my lap was (and had been) pretty hot from the food. I immediately took the food off my lap, and my lap and clothes remained warm to the touch for 2 minutes longer! I am absolutely terrified that now our baby is going to have a neural tube defect. Everything I've read online has said that heating of the embryo (whether via heating pad on the abdomen or submersion in a hot bath or jacuzzi) can cause NTDs, and it definitely felt like the heat penetrated beyond my skin. I am terrified. Can anyone provide some reassurance?