fetal hypoxia

Fetal hypoxia (FH) (also known as intrauterine hypoxia (IH)) occurs when the fetus is deprived of an adequate supply of oxygen.

Pathology

Fetal hypoxia can occur from a number of reasons:

• umbilical cord prolapse
• cord occlusion or cord thrombosis
• placental infarction
• maternal smoking
• intrauterine growth restriction (IUGR): can also be a consequence

Three categories are proposed for the origins of fetal hypoxia:

Radiographic assessment

Doppler ultrasound

The severity of fetal hypoxia can be assessed with several Doppler parameters which include

• umbilical arterial Doppler assessment
• umbilical vein Doppler assessment: can become pulsatile
• fetal MCA Doppler assessment
• ductus venosus Doppler assessment

Complications

• hypoxic ischemic encephalopathy

Siehe auch:

• hypoxischer Hirnschaden
• Dopplersonographie der Nabelarterie
• Intrauterine Wachstumsretardierung
• umbilical cord prolapse
• umbilical venous flow assessment
• placental infarction
• fetal MCA Doppler assessment
• ductus venosus flow assessment
• Thrombose der Umbilikalarterien

und weiter:

• Oligohydramnion
• fetal middle cerebral arterial Doppler assessment
• fetal intracranial haemorrhage