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国家全面落实“二孩”政策以来,高龄(35岁以上)孕产妇逐渐增多,利用辅助生殖技术怀孕的年龄逐年增大,个别女性的年龄已经超过60岁。对于最佳生育年龄,已有多种说法。女性年龄<18岁或>35岁已属于妊娠的高危因素~([1])。美国休斯顿大学研究认为35岁甚至40岁以后夫妇生育的孩子更聪明,但自然杂志(2015)文章显示,29.7岁男性基因突变总数已经4倍于女性,子代发生自闭症的机会增加,妊娠合并症和并发症发生率也增高。尽管
Since the state fully implemented the “two children” policy, the number of pregnant women over the age of 35 (over the age of 35) has been gradually increasing. The number of pregnant women using assisted reproductive technology has been increasing year by year, and the age of individual women has exceeded 60 years of age. There are many claims about the optimal age at childbirth. Female age <18 years or> 35 years old are high risk factors for pregnancy ~ ([1]). According to a study by the University of Houston in the United States, couples who are 35 or even 40 years of age are smarter but the Nature Journal (2015) article shows that the total number of genetic mutations in men aged 29.7 is four times that of women and the chance of offspring developing autism increases. Pregnancy Complications and complication rates also increased. in spite of