OBJECTIVE To compare uterine artery Doppler velocity and impedance indices in the presence and absence of uterine artery waveform notches, in the prediction of adverse pregnancy outcome in high-risk women. METHODS One hundred and fifty-seven women identified at Doppler screening as being at 'high risk' underwent a further uterine artery Doppler assessment at 24 weeks' gestation. Pulsatility a...

Background & Objectives: Recurrent miscarriage (RM) occurs in some women. There is much evidence that increased uterine blood flow resistance (reduced uterine perfusion) increases the risk of RM. This study was aimed at evaluating the efficacy of Omega 3-6-9 fatty acids, alone or in combination with aspirin, in the reduction of uterine blood flow resistance in women with a history of RM. Metho...

OBJECTIVE To detect the serum levels of folate and B12 in both preclamptic and normotensive pregnant women and to determine whether there is any relation between these levels with the uterine and umbilical artery Doppler indices as well as the pregnancy outcome. MATERIAL AND METHODS This case controlled study comprised 79 pregnant patients with preeclampsia and 113 healthy, normotensive pregn...

OBJECTIVES To evaluate placental volume and vascular indices in pregnancies with severe fetal growth restriction and determine their correlations to normal reference ranges and Doppler velocimetry results of uterine and umbilical arteries. METHODS Twenty-seven fetuses with estimated weights below the 3rd percentile for gestational age were evaluated. Placental volume and vascular indices, inc...

OBJECTIVES The purpose of this study was to estimate the efficiency of first-trimester uterine artery Doppler, A-disintegrin and metalloprotease 12 (ADAM12), pregnancy-associated plasma protein A (PAPP-A), and maternal characteristics in the prediction of preeclampsia. METHODS We conducted a prospective cohort study of patients presenting for first-trimester aneuploidy screening between 11 an...

fibroids are the most common benign tumors of the uterus during female reproductive age. uterine artery embolization (uae) using embolic particles (pva, gelfoam) to occlude the uterine arteries, have been reported as a relatively safe, effective, and durable nonsurgical alternative to hysterectomy in diminishing fibroid-related symptoms. to block the arterial blood supply to the fibroid complet...

background:   objective: to determine and compare uteroplacental circulation and obstetrics complications in pregnant women with pcos treated with metformin, aspirin and control group.   materials and methods: 105 pregnant women with pcos were enrolled in this study after assessing uterine artery pulsatility index (pi) with doppler ultrasonography at 12 weeks of gestation. the patients were div...

OBJECTIVE: To compare the effectiveness of uterine artery Doppler and maternal serum screening in the prediction of pregnancy complications. MATERIALS AND METHODS: Prospective study with 49 primigravidae at their 18th gestational week, when a blood sample was collected for serum dosage by chemiluminescence (alpha-fetoprotein, human chorionic gonadotropin and nitric oxide) and radioimmunoassay (...

Uterine artery Doppler waveform analysis has been extensively studied in the second trimester of pregnancy as a predictive marker for the later development of preeclampsia and fetal growth restriction. The use of Doppler interrogation of this vessel in the first trimester has gained momentum in recent years. Various measurement techniques and impedance indices have been used to evaluate the rel...

Objective Uterine artery Doppler studies with measurement of pulsatility index (UtPI) represent recognized predictors of placental insufficiency and preeclampsia. Mode of conception (MC) has not been shown to modify the PI of uterine arteries; however we are not aware of studies investigating egg donations (ED). We hypothesize that perfusion of uterine arteries evaluated with Doppler studies ma...