从我们国家来看,高龄生育年龄在逐年增加,表现在生育年龄延迟,还有就是肿瘤患者的预后改善。另外,还有从今年开始的单独二胎生育政策的放开,随之而来的生育问题。不孕不育的增加是其中一方面,按照2012年的报告,中国的比率是12.5%。按照世界卫生组织的规定,两年规律的性生活同居,没有怀孕就是不孕症,现在缩短为一年,一个是时间缩短了,还 From our country, the seniority of childbearing age is increasing year by year, showing the delay in childbearing age, there is the prognosis of cancer patients to improve. In addition, there will be the liberalization of the second child birth policy starting from this year and the consequent birth problems. The increase in infertility is one of them, according to the 2012 report, China’s ratio is 12.5%. In accordance with the provisions of the World Health Organization, two years of regular sexual life together, no pregnancy is infertility, and now reduced to one year, one is the time is shortened, but also