INTRODUCTION Ultrasonic fetal biometry and arterial Doppler flow velocimetry are widely used to assess the risk of pregnancy complications. There is an extensive literature on the relationship between pregnancy outcomes and the size and shape of the placenta. However, ultrasonic fetal biometry and arterial Doppler flow velocimetry have not previously been studied in relation to postnatal placen...

Background: There have been researches on the evaluation of Doppler vascular impedance in hypertensive disorders complicating pregnancy (HDCP). With respect to the method of analysis used and the conclusions drawn in previous studies, different vessels were usually viewed separately and independently. This study was designed to evaluate Doppler vascular impedance changes in HDCP from a new pers...

Although estrogen regulates important aspects of maternal cardiovascular physiology, the role of estrogen on uteroplacental and fetal blood flow is incompletely understood. This study tested the hypothesis that chronically suppressing endogenous estrogen production during the second half of baboon pregnancy alters uterine and fetal blood flow dynamics assessed by ultrasonography. Pregnant baboo...

The aim of the study was to evaluate the effect of a copper-intrauterine device (IUD) on uterine artery blood flow during the midluteal phase and on the first day of the menstrual cycle using pulsed colour Doppler ultrasonography. Twenty-one regularly menstruating women (18-45 years) who were willing to use copper-IUD contraception participated in the study. The patients were first examined wit...

PURPOSE To investigate (a) if placental perfusion in the second trimester of pregnancy, measured by two non-invasive magnetic resonance imaging (MRI) techniques, is related to impedance to flow in the uterine arteries, as assessed by Doppler ultrasound; and (b) if these measures are associated with future gestational outcome. METHODS In 37 singleton pregnancies at 24-29 weeks' gestation, uter...

BACKGROUND Uterine arteriovenous malformation is a rare but life-threatening condition that accounts for 1-2% of massive vaginal bleeding. Uterine arteriovenous malformations are less common after menopause. The condition can be diagnosed using Doppler ultrasound, magnetic resonance imaging, computed tomography, and pelvic angiography. CASE PRESENTATION We report a postmenopausal patient with...

BACKGROUND No therapy is currently available to improve the reduced uteroplacental blood flow (UPBF) that characterizes pre-eclampsia. We hypothesized that sympathectomy induced by epidural local anaesthesia reduces uterine vascular resistance (which is inversely correlated with UPBF) in pre-eclampsia. METHODS Ten pregnant women between 24 and 32 weeks of gestation with pre-eclampsia and uter...

Uterine artery doppler is a non-invasive which can be used for prediction of PE and FGE at 20 – 23, but the 11 – 13+6 weeks scan may provide earlier information. This was a prospective observational two year study in a tertiary care center in South India. 330 in low risk, singleton pregnancies were examined between 11–13+6 weeks. In addition to CRL and NT, mean maternal uterine artery PI was me...

Because early and late preeclampsia (PE) are thought to be different disease entities, we compared maternal cardiac function at 24 weeks gestation in a group of normotensive asymptomatic patients with subsequent development of early (<34 weeks gestation) and late (>or=34 weeks gestation) PE (blood pressure >140/90+proteinuria >300 mg/dL) to detect possible early differences in the hemodynamic s...

BACKGROUND The pharmacological management of early pregnancy loss reduced substantially the need for dilation and curettage. However, prognostic markers of successful outcome were not established. Thus the major purpose of this study was to determine the sensitivity and specificity of the uterine artery pulsatility (PI) and resistance (RI) indices to detect early pregnancy loss patients requiri...