Birth Control Need
With the rapid increase in world population and a general sense of awareness of HIV / AIDS, the group think of ways to prevent pregnancy. The current world population is estimated at 6.4 billion, with an annual increase of 76 million, and therefore, it is estimated to reach 9 billion in 2050 to bed. After two decades, the two countries most populous country, China and India are expected to reach a population of 1.5 billion, or more than one third of the global population as a whole during the same period. "No S alarming situation control" population explosion "it. Thus, pressing the United Nations, particularly the most densely populated countries to control their own state residents.