the population of the world is growing at a dangerous rate. Because Especially in the developing countries and the least developed. Due to non-economic development, the lower level of a population and social policies not yet perfected led to consequence: some families because of poor economic conditions should have born children with the desire to have more manpower to sustain the life of the family; another one because of the lack of awareness and study should childbirth often have no limitations or prejudice due to the old customs. Obviously, these issues also pose many problems for the country, such as: about food, the environment, employment, housing .... Its consequences still more terrible if we do not act, offer a reasonable solution for this
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