肥胖對於年紀輕比年紀大的IVF病患影響較大

肥胖對於年紀輕(<35 歲)的試管嬰兒病患影響較大
肥胖對於年紀大(>35 歲)的試管嬰兒病患影響較小
年紀輕(<35 歲)的試管嬰兒病患可考慮事先減肥再作試管
年紀大(>35 歲)的試管嬰兒病患應直接作試管不須浪費時間減肥

http://humrep.oxfordjournals.org/content/23/8/1835.full

Figure 1:

The Effect of Age and BMI on clinical pregnancy rates.

Lines illustrate the best-fit regression lines derived by multiple logistic regression for clinical pregnancy rates as a function of BMI and Age at 5-year intervals: 20, 25, 30, 35 and 40.