下一代是世界的未来,作为生命起始的胎儿期与人类生命的其它任何时期都不相同,生命在母体子宫内种植和生长,完全依赖母体通过胎盘转运提供生命发展必需的物质,如氧气、水分和各种营养物质,经过280天,将一个肉眼看不见的受精卵孕育成体重约3.2kg的新生儿。而承载新生命发生、发 The next generation is the future of the world, as the beginning of life. The fetus is not the same as any other period of human life. Life is planted and grown in the womb of the mother, relying solely on the mother’s body through the placenta to provide substances necessary for the development of life such as oxygen, Water and various nutrients, after 280 days, a naked invisible fertilized egg was bred into a newborn weighing about 3.2 kg. And bearing a new life, hair