At that point, there is a sharp reversal, and people keep getting happier as they age.
在50岁那个点上会有一个急剧的逆转，随着年龄的增长他们也越来越开心幸福。
2
The decision between IVF and tubal reversal is highly complex and profoundly affected by the factors of age, cost and time as well as the presence of other potential infertility problems.
In a retrospective Belgian study published in 2007, the difference in pregnancy rates between IVF and tubal reversal were statistically insignificant until they were examined by age of the woman.