When does human life begin? In 1933, Dr. Alan Guttmacher, an obstetrician/gynecologist, who would in 1962 become president of Planned Parenthood, correctly wrote: “…man… starts life as an embryo within the body of the female; the embryo is formed from the fusion of two single cells, the ovum and the sperm. This all seems so simple that it is difficult to picture a time when it was not part of common knowledge.” In the September 1970 issue of California Medicine, an editorial