Made available in DSpace on 2018-12-11T17:00:11Z (GMT). No. of bitstreams: 0 Previous issue date: 2016-10-17; Objective: The objective was to evaluate and compare the whole blood nitrite concentration in the three trimesters of pregnancy. Additionally, we investigate whether there is any relation between nitrite concentrations and Doppler ultrasound analysis of some maternal and fetal vessels. Methods: Thirty-t...