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人们一般认为,女性年龄对怀孕和生下宝宝的几率影响较大,男方年龄影响不大。但法国研究人员研究发现,夫妻之中男方年龄超过40岁,女
It is generally believed that the influence of the female age on the chances of getting pregnant and giving birth is greater, and the age of the man has little effect. However, the French researchers found that men and women over 40 years old, female