英国伦敦政治经济学院和马克斯普朗克人口研究学院联合研究显示,相比于40年前,当今高龄母亲生的孩子比年轻妈妈生的更聪明。研究称,这种转变是由于高龄产妇自身发生了变化。如今,高龄产妇往往比年轻妈妈更具有优势,例如,她们受过良好的教育、在怀孕期间不吸烟、事业更成功等。这在过去几乎是不可能的。研究人员爱丽丝·高艺思表示,孩子的认知能力高低十分重要,它能 A joint study by the London School of Economics and the Max Planck Institute for Population Studies shows that today’s elder mothers are smarter than younger mothers than they were 40 years ago. Studies say the shift is due to changes in older mothers themselves. Older mothers are often more advantaged than younger mothers, for example, they are well-educated, do not smoke during pregnancy, and succeed in their careers. This is almost impossible in the past. Researcher Alice Gao Yi Si said that children’s cognitive ability is very important, it can