cephalopelvic disproportion

Etiology

• large baby due to:
  • hereditary factors
  • diabetes
  • postmaturity
  • multiparity
• abnormal fetal positions
• small Pelvis
• abnormally shaped pelvis

Epidemiology

• 1 in 250 pregnancies
• 65 % of women diagnosed with cephalopelvic disproportion are able to deliver vaginally in subsequent pregnancies

Pathology

• occurs when a baby's head or body is too large to fit through the mother's pelvis

Diagnostic procedures

• ultrasound used to estimate fetal size

Management

• C-section

More general terms

• fetal-maternal disproportion; fetal-pelvic disproportion; cephalopelvic disproportion