Article Text
LETTER
Haematological consequences of placental insufficiency
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Abnormal development of the placental vasculature is responsible for maternal and fetal impacts of uteroplacental insufficiency.1 Umbilical artery (UA) Doppler allows the non-invasive assessment of the severity of this vascular abnormality. UA end diastolic velocities are positive in mild placental insufficiency but are absent or reversed if 60–70% of the tertiary villous vessels are damaged. This observational study examines the …