例句 /

The results of a nested-case control study suggest that the use of certain types of hormonal contraceptives during the 5 years leading up to a pregnancy may be associated with the risk of developing gestational diabetes.

The results of a nested-case control study suggest that the use of certain types of hormonal contraceptives during the 5 years leading up to a pregnancy may be associated with the risk of developing gestational diabetes.

重叠病例对照研究结果显示孕前5年内使用某种类型的激素避孕方法可能与发生妊娠糖尿病风险相关。