家庭作为社会的细胞,在不断地随着社会的发展而变化着。近年来,我国又出现了一种崭新的家庭模式,即一对具有生育能力的夫妇自愿不生孩子。这就是我们通常谐称的“二人世界”。目前,北京、上海、天津、武汉、广州、南京等大城市已悄然流行。据社会调查表明,北京市1984年以来结婚的夫妇中有20%的家庭自愿不育,多达7万余人;上海市1979年至1989年的10年间,有113.34万对男女登记结 Family as a cell of society, constantly changing with the development of society. In recent years, a brand new family pattern has emerged in our country. A pair of fertile couples voluntarily have no children. This is what we usually say “duo world.” At present, Beijing, Shanghai, Tianjin, Wuhan, Guangzhou, Nanjing and other big cities have quietly prevailed. According to social surveys, 20% of married couples in Beijing since 1984 have voluntarily infertilized women, with more than 70,000 people. In the 10 years between 1979 and 1989 in Shanghai, there were 1,133,400 registered couples of men and women