Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The term birth is used metaphorically to refer to a beginning, especially of a natural phenomenon, one that is impressive in its scope or complexity, or one that is viewed favorably. Childbirth is the process at the end of a human pregnancy that results in a baby being born. Natural childbirth is the technique of minimizing medical intervention, particularly anaesthetics, during childbirth. Unassisted childbirth (UC) is birth without the aid of medical or professional birth attendants. Also known as Freebirth Multiple birth is the birth of two (twins), three (triplets), four (quadruplets), etc., babies resulting from a single pregnancy.