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从生物学的观点来看,一个人健康、聪明、少病、长寿,是质量高的表现;反之,孱弱、愚钝、多病、短命则是质量差的表现。比较一个孩子的质量,不外乎智力与体质两个方面。而智力与休质的好差,除了与先天遗传和后天的教育、锻炼、营养、环境等有直接关系外,与父母的受孕时节、受孕年龄、受孕时的健康状况等因素也有很大关系。对于准备作爸爸、妈妈的每对夫妇来说,要做到优生,就必须从怀孕前做起,为未来的宝宝选择最佳受
From a biological point of view, a person is healthy, smart, less sick and longevity, is a high quality performance; the other hand, weak, dull, sick, short-lived is the poor quality of performance. Comparing the quality of a child is nothing more than mental and physical aspects. The poor intelligence and rest quality, in addition to congenital and acquired education, exercise, nutrition, environment, etc. have a direct relationship with the parents of the pregnancy season, the age of conception, the health status of conception and other factors also have a great relationship. For each couple who are going to make dad and mom, to do eugenics, they must start from before pregnancy and choose the best for future baby