美国的生育率创下历史新高,因为越来越多的妇女推迟生育。 U.S. fertility rate hits record low as women increasingly delay childbirth.

根据新数据,美国生育率达到了创纪录的低水平,因为越来越多的妇女将分娩推迟到晚年。 The U.S. fertility rate has reached a record low, according to new data, as more women delay childbirth until later in life. 这一趋势反映了计划生育方面更广泛的变化,越来越多的父母选择生育年长子女。 The trend reflects broader shifts in family planning, with increasing numbers of parents choosing to have children at older ages. 出生率的下降引起了对长期人口和经济影响的关切。 This decline in birth rates raises concerns about long-term demographic and economic impacts.