the attention that now has to be given to those less common forms of preeclampsia, such as ‘non-proteinuric’ pre-eclampsia, which occurs in about 25% of cases, and has an intermediate outcome profile between that of pre-eclamptic women with proteinuria and those with non-proteinuric gestational hypertension and other “preeclamptic” features, including those with hypertension and fetal growth restriction in the absence of proteinuria