Obstetric Ultrasound

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35-wk fetus
18-wk fetus

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  • Axial view of a fetal head at 35 weeks gestation demonstrates a dilated lateral ventricle with + calipers measuring the width of atrium of lateral ventricle as 18.9 mm. the calipers are aligned perpendicular to the axis of the ventricle
  • A 30-week fetus with dilated ventricles (+ calipers). Choroid plexus (arrowhead) is seen outlined by fluid [“drooping choroid”]

Causes of Prenatal Hydrocephalus

  • Aqueductal stenosis
  • Dandy-walker malformation
  • Chiari II
  • Communicating Hydrocephalus (e.g., prior hemorrhage)


    These signals are relayed buying clomid online safe which then is by a number of such as medial preoptic and paraventricular nulcei.