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随着医学科学的发展,优生学已成为预防医学的主要研究课题之一,要达到优生的目的,防须有优良的精子和卵子在适宜的环境下结合为受精卵外,母体还须提供一个优良的环境,使胚胎正常健康的生长发育。
With the development of medical science, eugenics has become one of the main research topics in preventive medicine. In order to achieve the purpose of eugenics, prevention of having excellent sperm and egg in the appropriate environment combined with fertilized eggs, the mother must also provide a Excellent environment, the normal healthy growth and development of embryos.