United States. Office of Civil Defense, Emergency Childbirth
“ The person helping the mother should always let the baby be born by itself. No attempt should be made to pull the baby out in any way. Usually the baby's head appears first, the top of the head presenting and the face downward. Infrequently the baby will be born in a different position, sometimes buttocks first, occasionally foot or arm first. In these infrequent situations, patience without interference in the birth process is most important. The natural process of delivery, although sometimes slower, will give the child and the mother the best chance of a safe and successful birth. ”
