The risk cut-off 1: 50 in the prediction of gestational hypertension of the "in house" software was used to identify the group of high risk with detetion rate (DR) 28, 6% (95% CI: 14, 9 - 42, 2) comparing to 40, 5% (95% CI: 25, 6 - 55, 3) of FMF.