R. North

Publications133
h-index36
Citations4,543
Highly Influential Citations139
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Longitudinal serum concentrations of placental growth factor: evidence for abnormal placental angiogenesis in pathologic pregnancies.
OBJECTIVE Complicated pregnancies demonstrate abnormal decidual and placental villous vasculature. We examined maternal concentrations of vascular endothelial growth factor and placental growth… Expand
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Clinical risk prediction for pre-eclampsia in nulliparous women: development of model in international prospective cohort
Objectives To develop a predictive model for pre-eclampsia based on clinical risk factors for nulliparous women and to identify a subgroup at increased risk, in whom specialist referral might be… Expand
  • 337
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The SOMANZ Guidelines for the Management of Hypertensive Disorders of Pregnancy 2014
Accurate blood pressure measurement is important. Attention should be paid to: • Correct posture • Cuff size • DeviceMercury sphygmomanometers remain the gold standard Self-initiated and automated… Expand
  • 103
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Risk factors for small‐for‐gestational‐age infants by customised birthweight centiles: data from an international prospective cohort study
Please cite this paper as: McCowan L, Roberts C, Dekker G, Taylor R, Chan E, Kenny L, Baker P, Moss‐Morris R, Chappell L, North R on behalf of the SCOPE consortium. Risk factors for… Expand
  • 125
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Prevalence and predictors of alcohol use during pregnancy: findings from international multicentre cohort studies
Objectives To compare the prevalence and predictors of alcohol use in multiple cohorts. Design Cross-cohort comparison of retrospective and prospective studies. Setting Population-based studies in… Expand
  • 99
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Risk Factors for Preterm Birth in an International Prospective Cohort of Nulliparous Women
Objectives To identify risk factors for spontaneous preterm birth (birth <37 weeks gestation) with intact membranes (SPTB-IM) and SPTB after prelabour rupture of the membranes (SPTB-PPROM) for… Expand
  • 97
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  • PDF
Perinatal morbidity in chronic hypertension
Objective To investigate if chronic hypertension in the absence of superimposed pre‐eclampsia is associated with increased perinatal morbidity (especially small for gestational age babies and preterm… Expand
  • 192
  • 5
Early Pregnancy Prediction of Preeclampsia in Nulliparous Women, Combining Clinical Risk and Biomarkers: The Screening for Pregnancy Endpoints (SCOPE) International Cohort Study
More than half of all cases of preeclampsia occur in healthy first-time pregnant women. Our aim was to develop a method to predict those at risk by combining clinical factors and measurements of… Expand
  • 178
  • 5
Small-for-gestational-age infants classified by customized or population birthweight centiles: impact of gestational age at delivery.
OBJECTIVE Evidence of placental disease and poor perinatal outcome is more common in infants who are small by customized centiles, compared with population centiles. Because preterm births are more… Expand
  • 77
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Angiogenic factors combined with clinical risk factors to predict preterm pre‐eclampsia in nulliparous women: a predictive test accuracy study
To assess the performance of clinical risk factors, uterine artery Doppler and angiogenic markers to predict preterm pre‐eclampsia in nulliparous women.
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