Demand for egg donors has increased as women wait longer to start their families. Egg quality drops dramatically after age 35 and is a chief cause of infertility.

• 随着妇女们希望晚点要自己的孩子,赠卵的需求在增加。在女性35岁以后,卵子的质量急剧下降,这也是不育的主要原因。