Pregnancy Week E2 Cut-off (pg/ml) Specificity (%) AUC (CI) P
5th 489.5 41.5 0.69(0.59-0.79) <0.05
6th 489.5 71.1 0.82(0.75-0.90) <0.05
7th 590.5 84.7 0.90(0.83-0.96) <0.05
8th 614.5 95.7 0.88(0.80-0.96) <0.05