<p>*Genotype for 869 T>C, TT/TC/CC; 915 G>C, GG/GC/CC; 800 G>A, GG/GA/AA; 509 C>T, CC/CT/TT.</p>a<p>Significant differences was found in allelic frequencies between preeclamptic and control groups.</p>b<p>No significant differences was found in allelic frequencies between preeclamptic and control groups.</p