PGF and preeclampsia: Regarding the prediction of preeclampsia, in addition to the identification of clinical risk factors, 31.7% of the sample does not request any other type of test, while 58.6% reported the use of uterine artery Doppler, 5.3% of uterine artery Doppler and biomarker measurement (PAPP-A and PlGF), 3.9% of Doppler and PlGF only, and 0.6% of Doppler and PAPP-A only.