1960 and 1970"s: world population growth was at its peak, the introduction of family planning programs and modern means of contraception has an impact in reducing runaway population growth. Assumption that declining birth rates will bring a halt to future growth: government and private sector in providing family planning services to all who desire them. Early attempts at family limitation: during stressful periods of famine, war, etc many couples throughout have attempted to prevent unwanted pregnancy, withdraw has highest failure rate. 35million couples continue to rely on this method: ancient egypt: Breast feeding: infanticide: deliberate killing of babies, particularly female babies. Development of the diaphragm in the 1840. Open discussion of sex or reproductive matters was still taboo during those years of victorian morality. Comstock law a federal mandate that prohibited sending birth control information or devices through the mail, such items being defined as obscene .