The meta-analysis results reveal that the fetal polymorphism FLT1 rs4769613 is significantly associated with an increased risk of preeclampsia in the allelic model, with an odds ratio of 0.83, a 95% confidence interval of 0.76 to 0.90, and an I2 of 51.1% (n = 5). The gene discussed is FLT1; the disease is preeclampsia.